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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2,898,068
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Aug. 04, 1959
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Support having three axes of adjustment and a single locking handle
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Otto F. Colbert |
Whittier, CA |
The co-inventor's company, Colbert Industries, Inc., manufactured this work holding device. In 1978—after this patent expired—the company was sold and its name was changed to PanaVise Products, Inc. |
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Support having three axes of adjustment and a single locking handle
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Dwight A. Hill |
South Pasadena, CA |
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3,182,989
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May. 11, 1965
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Work holder
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Otto F. Colbert |
Whittier, CA |
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3,661,376
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May. 09, 1972
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Support having three axes of adjustment and a single locking handle
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Dwight A. Hill |
South Pasadena, CA |
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Support having three axes of adjustment and a single locking handle
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Otto F. Colbert |
Whittier, CA |
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5,118,058
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Jun. 02, 1992
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Universal adjustable mount
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Gary L. Richter |
Reno, NV |
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