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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4,825
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Jun. 05, 1875
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Improvements on scroll saw
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William Douglas Westman |
ON, Canada |
"It is constructed so that it can be driven by any suitable motive power, but is well adapted for being driven by the foot by means of a treadle and rod pivoted on a face plate..." |
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178,821
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Jun. 13, 1876
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Improvement in scroll-saws
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William D. Westman |
ON, Canada |
"My invention relates to those saws used by carpenters, cabinet-makers, and others for cutting out scroll and circular pieces of wood, such as are used in house-fittings and furniture, but is also suitable for pattern-makers for cutting out the circular pieces used by them in the building of wheels and pulleys, and is suitable for the cutting out of every description of circular and scroll work." |
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6,943
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Jan. 09, 1877
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Improvement on first and intermediate drivers
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William Douglas Westman |
ON, Canada |
"My invention related to those parts of the main gearing of a mill, or other machinery, which are in direct connection with the low-speeded motive power on the one hand, and with the high speeded portion of the mill or machine on the other. It consists of a smooth rimmed driving wheel, made of any suitable material, and two smooth rimmed driven pulleys..."
This patent was extended as patent 13,814. |
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13,814
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Dec. 13, 1881
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Improvement on first and intermediate drivers
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William Douglas Westman |
ON, Canada |
This is actually an extension of patent 6,943 for an additional five years. |