Manufacturers Index - Armstrong-Blum Manufacturing Co.
Armstrong-Blum Manufacturing Co.
Chicago, IL, U.S.A.
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
a special TIFF viewer must be installed with your browser in order properly work.
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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833,294
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Oct. 16, 1906
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Punching and shearing mechanism
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George J. Blum |
Chicago, IL |
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877,882
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Jan. 28, 1908
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Lathe-dog
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George J. Blum |
Chicago, IL |
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902,643
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Nov. 03, 1908
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Punch
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George J. Blum |
Chicago, IL |
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945,261
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Jan. 04, 1910
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Lathe-chuck
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George J. Blum |
Chicago, IL |
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1,032,650
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Jul. 16, 1912
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Hacksaw
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George J. Blum |
Chicago, IL |
This patent appears on the Marvel Drawcut Hacksaw #1. |
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1,214,884
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Feb. 06, 1917
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Power hacksaw
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George J. Blum |
Chicago, IL |
Feed-mechanism improvements to patent 1,201,244. |
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1,233,836
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Jul. 17, 1917
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Band-saw
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George J. Blum |
Chicago, IL |
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1,535,096
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Apr. 28, 1925
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Hack saw blade
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George J. Blum |
Chicago, IL |
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1,972,328
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Sep. 04, 1934
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Power hacksaw
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George J. Blum |
Chicago, IL |
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1,972,327
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Sep. 04, 1934
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Power hacksaw
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George J. Blum |
Chicago, IL |
Improvements to patent 1,201,244. |
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2,102,782
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Dec. 21, 1937
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Hacksaw
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George J. Blum |
Chicago, IL |
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