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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2,449,103
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Sep. 14, 1948
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Tap driver
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Henry P. Boggis |
Shaker Heights, OH |
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2,526,844
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Oct. 24, 1950
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Tap grinding machine
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Henry P. Boggis |
Shaker Heights, OH |
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2,639,632
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May. 26, 1953
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Forging machine
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Frederick F. Criley |
Terra Ceia, FL |
Co-inventor William W. Criley was deceased; his executor was Wilma Suits Criley. The invention gives improvements on patents 1,869,006 and 2,038,165, and is aimed at forging rock drill bits such as in patent 2,322,420. |
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Forging machine
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Henry P. Boggis |
Shaker Heights, OH |
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3,081,585
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Mar. 19, 1963
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Relieving fixture for grinding machines
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Henry P. Boggis |
Shaker Heights, OH |
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683,003
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Mar. 24, 1964
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Relieving fixture for grinding machines
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Henry P. Boggis |
Shaker Heights, OH |
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