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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150,534
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May. 05, 1874
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Improvement in saw-mill dogs
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Thomas Craney |
Bay City, MI |
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RE7,453
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Jan. 02, 1877
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Improvement in saw-mill dogs
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Thomas Craney |
Bay City, MI |
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223,997
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Feb. 03, 1880
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Saw-mill dog
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Thomas Craney |
Bay City, MI |
Thomas Craney was a professional inventor: the 1887 City Directory listed his occupation as "patentee". His numerous patents include several related to salt production, a major industry in that part of Michigan, plus things such as boiler cleaner apparatus, link for attaching a buck to a chain conveyer, etc. |