Manufacturers Index - Joseph T. Ryerson & Son
Joseph T. Ryerson & Son
Chicago, IL, U.S.A.
Company Website: http://www.ryerson.com/
Manufacturer Class:
Metal Working Machinery
This page contains information on patents issued to this manufacturer.
Submitting Patent Information
If you find a patent number or patent date by this manufacturer that is not on this
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Key to Links for Patent Information
USPTO = U.S. Patent Office .
Images of the actual patent can be viewed on the U.S. Patent Office web site but
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More information on how to configure your computer to view these patents can be
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DATAMP = Directory of American Tool And
Machinery Patents . A sister site to VintageMachinery.org with information
on patents related to machinery and tools. A much easier user interface than the
USPTO's for finding information on machinery patents.
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994,755
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Jun. 13, 1911
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Shearing Machine
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Hans Kraut |
Chicago, Cook County, IL |
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1,035,092
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Aug. 06, 1912
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Punching and Shearing Machine
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Hans B. Kraut |
Chicago, Cook County, IL |
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1,035,093
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Aug. 06, 1912
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Punching and Shearing Machine
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Hans B. Kraut |
Chicago, Cook County, IL |
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1,035,096
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Aug. 06, 1912
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Hand Shearing Machine
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Hans B. Kraut |
Chicago, Cook County, IL |
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1,035,095
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Aug. 06, 1912
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Punching Machine
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Hans B. Kraut |
Chicago, Cook County, IL |
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1,064,676
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Jun. 10, 1913
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Cylinder Boring Machine
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Charles F. Winn |
Milwaukee, WI |
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1,379,994
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May. 31, 1921
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Method of Making Drills or the Like
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John J. Kunzer |
Chicago, Cook County, IL |
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1,379,995
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May. 31, 1921
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Method of Making Drills or the Like
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John J. Kunzer |
Chicago, Cook County, IL |
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1,386,159
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Aug. 02, 1921
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Controlling System for Feed Motor
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G. Harry Case |
Philadelphia, PA |
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1,440,616
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Jan. 02, 1923
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Friction Cutting Machine
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John J. Mikshel |
Chicago, Cook County, IL |
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1,459,720
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Jun. 26, 1923
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Actuating Means for Machine Pattens
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Conrad M. Conradson |
Madison, Dane County, WI |
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1,488,736
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Apr. 01, 1924
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Clutch Mechanism
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Conrad M. Conradson |
Madison, Dane County, WI |
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1,488,737
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Apr. 01, 1924
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Driving Mechanism for Reciprocating Plattens
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Conrad M. Conradson |
Madison, Dane County, WI |
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1,494,340
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May. 20, 1924
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Overarm for Miliing Machines
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Conrad M. Conradson |
Madison, Dane County, WI |
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1,503,836
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Aug. 05, 1924
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Deep Drilling Machine
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John J. Kunzer |
Chicago, Cook County, IL |
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1,631,386
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Jun. 07, 1927
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Metal Bending Machine
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William Seymour |
Chicago, Cook County, IL |
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Metal Bending Machine
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James O. Groff |
Chicago, Cook County, IL |
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Metal Bending Machine
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Albert Schaaf |
Chicago, Cook County, IL |
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1,659,426
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Feb. 14, 1928
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Milling Machine
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Conrad M. Conradson |
Madison, Dane County, WI |
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1,659,460
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Feb. 14, 1928
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Milling Machine
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Conrad M. Conradson |
Madison, Dane County, WI |
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1,660,477
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Feb. 28, 1928
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Radial Drilling Machine
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Conrad M. Conradson |
Madison, Dane County, WI |
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1,683,448
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Sep. 04, 1928
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Selective Geared Head Lathe
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Conrad M. Conradson |
Madison, Dane County, WI |
Application renewed, 30 Nov 1925. |
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