Manufacturers Index - Troyke Mfg. Co.
Troyke Mfg. Co.
Cincinnati, OH, U.S.A.
Company Website: https://www.troyke.com/home/
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
list, please contact the Site Historian.
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
found at TIFF image Viewers
for Patent Images.
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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2,679,787
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Jun. 01, 1954
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Turntable provided with indexing masking means
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Bernard F. Froehlich |
Colerain Township, OH |
Seen on a Model R-21 rotary table from Troyke Mfg. Co., along with patents 3,000,469 and 3,100,636. |
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505,894
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Sep. 21, 1954
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Turntable Provided With Indexing Masking Means
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Bernard F. Froehlich |
Colerain Township, Hamilton County, OH |
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3,000,469
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Sep. 19, 1961
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Rotary work holder
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Bernard F. Froehlich |
Colerain Township, OH |
Seen on a Model R-21 rotary table from Troyke Mfg. Co., along with patents 2,679,787 and 3,100,636. |
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3,100,636
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Aug. 13, 1963
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Table locking construction for a machine tool
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Bernard F. Froehlich |
Colerain Township, OH |
Seen on a Model R-21 rotary table from Troyke Mfg. Co., along with patents 2,679,787 and 3,000,469. |
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3,170,340
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Feb. 23, 1965
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Rotary Table with Dividing Attachment
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Bernard F. Froehlich |
Colerain Township, Hamilton County, OH |
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