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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546,512
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Sep. 17, 1895
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Wood-shaping machine
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Charles H. Ellingwood |
Harrison, ME |
"My invention relates to improvements in shaping-machines for hollowing wooden chair-seats and similar irregular surfaces, and its object is to provide for the quick and accurate reproduction of such irregular surfaces of any required form or dimensions." The inventor's company, Ellingwood Mfg. Co., Harrison, Maine, manufactured chairs. |
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633,185
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Sep. 19, 1899
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Machine for cutting and tenoning stock
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Charles H. Ellingwood |
Tidioute, PA |
"My invention relates to a machine to be used in connection with the manufacture of chairs and other articles where small stock is used and where mortise-and-tenon joints are made. The machine comprises means for automatically gripping and holding the stock while the same is moved to a position to be operated on by the saws and chucks to cut the same into desirable lengths and make tenons thereon and to means for releasing said stock after so acted upon by the saws and chucks." |