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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1,721,015
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Jul. 16, 1929
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Carving machine
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John Galbraith |
Minneapolis, MN |
See the description of patent 2,018,763 for litigation involving this patent. We suspect that this patent was licensed by Parten-Blomstrom but have not been able to confirm that. |
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1,844,323
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Feb. 09, 1932
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Carving machine of multiple type
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Gustave A. Parten |
Minneapolis, MN |
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1,893,958
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Jan. 10, 1933
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Carving machine structure
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Gustave A. Parten |
Minneapolis, MN |
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1,893,957
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Jan. 10, 1933
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Carving machine structure
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Gustave A. Parten |
Minneapolis, MN |
Improvements to the Lochman-style carving machine of patent 701,903. |
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2,624,460
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Jan. 06, 1953
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Gas separator for grinding mills
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Gustave A. Parten |
Minneapolis, MN |
This patent is of interest because the inventor previously made carving machines and gas engines. |