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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2,174
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Jul. 16, 1841
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Portable circular-saw mill
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George Page |
Baltimore, MD |
This invention primarily consists in a combination of free end play of the saw arbor in combination with guide rollers at the periphery of the sawblade.
This patent made broad claims and was aggressively litigated by its inventor. See the Vintage Machinery entry for George Page & Co. (linked above).
According to the 1873 "Subject-matter index of patents for inventions issued by the United States Patent Office", this patent was granted an extension. |
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7,832
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Dec. 17, 1850
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Mill for sawing with circular saws
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Orlando Child |
Granville, IL |
Although not assigned, this patent apparently belonged to Hiram Wells of Florence, MA; see patent 12,705. This invention is for a spring mechanism used to connect the frame and the journal box for the saw arbor. The spring allows some lateral movement to accommodate lateral springing of the log. |