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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655,422
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Aug. 07, 1900
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Mitering-machine
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Joseph L. Tyler |
Lynn, MA |
"The invention has for its object to provide an improved connection between the weight and the treadle, whereby the stroke may be increased and the action of the weight made more uniform." |
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668,786
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Feb. 26, 1901
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Mitering-machine
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Joseph L. Tyler |
Lynn, MA |
An ad in the February 1902 Machinery magazine, page 48, shows this patent mitering machines; the ad is from the Washburn Shops of Worcester, Mass. |
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1,010,574
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Dec. 05, 1911
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Raising and lowering mechanism
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Louis W. Rawson |
Worcester, MA |
"The object of the invention is to provide a new and improved raising and lowering mechanism whereby a part may be raised or lowered simply by manipulating an operating means such as a handle, which mechanism will lock when doing down even without a load and hold the part to be raised or lowered in adjusted position. The invention is particularly applicable as a means for raising and lowering spindles such as are used under drawing stands, tables, cameras, etc." This patent date appeared on a drill press made by the Washburn Shops, which was operated by the assignee school. |
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Raising and lowering mechanism
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William W. Bird |
Worcester, MA |
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1,064,700
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Jun. 17, 1913
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Feed device
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Louis W. Rawson |
Worcester, MA |
The manufacture by the Washburn Shops is conjectured. The patent is assigned to WPI, and the Washburn Shops (owned by WPI) made small drill presses. |
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Feed device
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William W. Bird |
Worcester, MA |
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