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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226,381
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Apr. 13, 1880
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Cutter head
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George W. Amesbury |
New York, NY |
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238,074
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Feb. 22, 1881
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Cutter-head for wood-working
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George W. Amesbury |
Philadelphia, PA |
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243,424
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Jun. 28, 1881
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Machine for sharpening band-saws
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George W. Amesbury |
Philadelphia, PA |
The EAIA "Directory of American Toolmakers" reports this patent date, along with the invalid date 1881-07-21 (should be 1881-07-12, corresponding to patent 244,158), as seen on a sharpener marked G. W. Amesbury & Co. |
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244,158
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Jul. 12, 1881
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Device for sharpening band-saws
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George W. Amesbury |
Philadelphia, PA |
The EAIA "Directory of American Toolmakers" reports this patent date incorrectly as 1881-07-21, as seen on a sharpener marked G. W. Amesbury & Co. See also patent 243,424. |
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260,817
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Jul. 11, 1882
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Adjustable cutter-head
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George W. Amesbury |
Philadelphia, PA |
Improvement to patent 238,074. |
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275,346
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Apr. 10, 1883
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Holder for mortising chisels
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George W. Amesbury |
Philadelphia, PA |
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