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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781,062
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Jan. 31, 1905
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Electrical tool
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Casper W. Miles |
Cincinnati, OH |
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Electrical tool
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David J. Hauss |
Cincinnati, OH |
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1,874,232
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Aug. 30, 1932
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Routing device
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Leslie D. Reed |
Mariemont, OH |
An example has been seen of this router, closely matching the patent drawings and bearing this patent date. The patent covers the depth adjustment mechanism plus a "pattern plate" for use in pattern routing, which was the primary purpose of this router. |
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Routing device
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William F. Groene |
Cincinnati, OH |
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1,979,140
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Oct. 30, 1934
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Cutting-off machine
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Ledgeworth G. Casey |
Cincinnati, OH |
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2,097,944
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Nov. 02, 1937
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Grinding machine
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Ledgeworth G. Casey |
Cincinnati, OH |
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2,277,432
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Mar. 24, 1942
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Speed changing mechanism
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Willard L. Groene |
Cincinnati, OH |
The machine featured in the patent drawings is a "pedestal type snagging grinding machine". "Snagging" refers to rough grinding without any concern for surface finish, such as in removing flashing from a casting that will be subjected to further machining operations. |