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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2,318,691
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May. 11, 1943
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Micrometer stop
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Leo Benjamin Huthsing |
Los Angeles, CA |
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2,346,028
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Apr. 04, 1944
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Variable speed belt drive
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Caradoc Mills Gregory |
Los Angeles, CA |
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Variable speed belt drive
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Leo Benjamin Huthsing |
Los Angeles, CA |
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2,444,228
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Jun. 29, 1948
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Automatic control means for machine tools
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Leo Benjamin Huthsing |
Los Angeles, CA |
A couple of other patents to this inventor were assigned to Machinery Mfg. Co. of Los Angeles. We do not know if this patent was also used by that manufacturer. |