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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9,855
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Jul. 19, 1853
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Mode of driving saws
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Isaac Brown |
Baltimore, MD |
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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RE425
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Feb. 03, 1857
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Improvement in method of driving reciprocating saws
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Isaac Brown |
Baltimore, MD |
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139,233
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May. 27, 1873
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Improvement in reciprocating steam-engines and saw-mills combined
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Isaac Brown |
Glenville, MD |
There are quite a few patents for combined steam engine and reciprocating sawmill, but this patent is unusual in that it integrates a circular sawmill. |