US Patent: 2,320,303
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| Mechanic's Tool
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Patentee:
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| Clifford O. Ross (exact or similar names) - Beverly Hills, CA |
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Patent Dates:
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| Applied: |
Apr. 28, 1941 |
| Granted: |
May 25, 1943 |
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Patent Pictures:
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Stan Schulz ROSS RENCHPLIERS (FLICKR)
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Description: |
| Known example marked, "ROSS RENCHPLIERS PAT 2320303 LOS ANGELES MADE BY (logo)" Manufacturer identified from 1948 Popular Mechanics ad. The lock release / reset is accomplished by twisting the knob at the end of the lever handle.
Munn, Anderson & Liddy- patent attorneys
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