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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301,388
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Jul. 01, 1884
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Door Hanger
|
Edward Prindle |
Aurora, IL |
One of these appeared in a Martin J. Donnelly auction |
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544,709
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Aug. 20, 1895
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Wrench
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Darius Wilcox |
Mechanicsburg, PA |
The patent is for a one- or two-piece forging forming the body of a screw-adjust nut wrench.
Ken Cope's "American Wrench Makers 1830-1930" notes a 1905 Thomas Register entry which implies Wilcox was producing wrenches at Mechanicsburg, PA. Other directories list Wilcox as a manufacturer of drop forgings. |
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638,475
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Dec. 05, 1899
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Wrench Atttachment
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George W. Rouse |
Lowell, MI |
The pair of toothed jaws and their connecting thumb screws convert a "monkey wrench" into a pipe wrench.
Marketed as the "Yankee Pipe Jaws" by a succession of manufacturers, including WILCOX in 1901, followed by RICHARDS-WILCOX after those companies merged, and BOW MFG. in 1914.
Some known examples are marked with the patent date.
Note also D.R.G.M. 144155 which appears to be a corresponding German patent. |
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790,860
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May. 23, 1905
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Wrench
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Henry G. Weatherill |
Elgin, IL |
Clip-on pipe jaw for monkey wrench.
Compare it to the "alternate form" in British patent 190412321. |
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874,992
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Dec. 31, 1907
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Quick-acting vise
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Theodore C. Prouty |
Aurora, IL |
This vise mechanism can be removed from the frame while in place, merely by removing the threaded rod from the frame. In addition it provides an improved means for engaging and disengaging the nut with the threaded rod. |