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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263,752
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Sep. 05, 1882
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Mortising-machine
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Algernon S. Bangs |
Augusta, ME |
This patent date was seen in an 1897 Rowley & Hermance catalog on a "Improved New Style Power Mortisers". The machine in the patent is described as "a machine for cutting mortises in window-frames for the reception of sash-cord pulleys".
This patent was improved in patent 294,389. |
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294,389
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Mar. 04, 1884
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Mortising-machine
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Edward J. Humphreys |
Millbury, MA |
This patent is an improvement on patent 263,752. |