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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72,551
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Dec. 24, 1867
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Improvement in sawing-machines for barrel-hoops
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George H. Shearer |
Bay City, MI |
This machine is mentioned in 1869-1870 ads from George H. Shearer. The inventor was employed in his father's sawmill, James Shearer & Co., and sold his patent hoop and lath sawing machine and log canting machine. |
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94,919
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Sep. 14, 1869
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Improvement in sawmills
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George H. Shearer |
Bay City, MI |
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147,181
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Feb. 03, 1874
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Improvement in log-turners for saw-mills
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George H. Shearer |
Bay City, MI |
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