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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2,018,763
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Oct. 29, 1935
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Wood carving machine
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Julian N. Kirby |
St. Paul, MN |
According to the 1936-05-12 Official Gazette of the United States Patent Office, there was a lawsuit, J. N. Kirby v. Parten-Blomstrom, which resulted in invalidating several claims of patent 1,721,015. It is uncertain whether the litigation involved this J. N. Kirby patent. |
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2,342,473
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Feb. 22, 1944
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Carving machine structure
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Earl W. Grumke |
St. Paul, MN |
"Our invention relates... to an attachment for the carving machine which prevents the cutter bar with the spindles from drifting from side to side and insures their staying in any position wanted. The carving machine on which the attachment is used may be similar to the carving machine disclosed in patent 2,018,763..." |
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Carving machine structure
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Julian N. Kirby |
St. Paul, MN |
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