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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341,226
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May. 04, 1886
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Boring-machine
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John Davis |
Albany, NY |
"My invention relates to improvements in wood and metal working machines; and the object of my invention is to provide an automatic boring-machine which will feed the work to the auger and bore holes into a piece of wood or metal, each hole being removed from the one preceding it any desired distance, and especially arranged for boring holes into the stiles of window-blinds for the purpose of inserting therein the tenons of the blind-slats." |
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361,399
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Apr. 19, 1887
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Sand-paper head
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John Davis |
Albany, NY |
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