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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257,918
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May. 16, 1882
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Machine for sawing barrel-hoops from poles
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William Bowker |
Somerville, MA |
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259,661
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Jun. 20, 1882
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Band-saw guide
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William Bowker |
Somerville, MA |
"...a new and useful Improvement in machinery for Sawing Barrel-Hoops from Poles...improved mechanism for guiding each (bandsaw) and bending it laterally to cause it to cut into the poles a kerf in parallelism, or about so, with the surface which may be borne along against the pressure roller." |
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271,672
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Feb. 06, 1883
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Machine for sawing hoops from poles
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Robert Williams |
Boston, MA |
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272,996
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Feb. 27, 1883
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Machinery for sawing barrel-hoops from poles
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Robert Williams |
Boston, MA |
Improvements to patent 259,661 |
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Machinery for sawing barrel-hoops from poles
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William Bowker |
Somerville, MA |
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286,173
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Oct. 09, 1883
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Machine for sawing hoops and poles
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William Bowker |
Somerville, MA |
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348,149
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Aug. 24, 1886
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Hoop-sawing machine
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William Bowker |
Medford, MA |
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