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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2,255,662
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Sep. 09, 1941
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Bearing
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Anders Gulow |
Arlington, NJ |
"Among the objects of the invention is an improved bearing structure in which efficient lubrication of the effective bearing surfaces is secured by gravity feed of oil supplied by an oil ring or similar oil carrier without causing breakup, churning or atomization of the oil." |
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2,446,712
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Aug. 10, 1948
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Lamp device
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Hubert A. McIlvaine |
Geneva, IL |
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2,537,225
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Jan. 09, 1951
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Photoelectric tube and method of manufacture
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Gerhard Lewin |
Maplewood, IL |
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Photoelectric tube and method of manufacture
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John Benes Jr. |
Geneva, IL |
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2,627,044
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Jan. 27, 1953
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Cathode for photocells
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John Benes Jr. |
Geneva, IL |
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