US Patent: 444,778
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| Bench Clamp For Pipe Tongs and Wrenches
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Patentee:
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| Clarence V. Greenamyer (exact or similar names) - San Francisco, CA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Sep. 09, 1890 |
| Granted: |
Jan. 13, 1891 |
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Patent Pictures:
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Clarence V. Greenamyer patent January 13, 1891 |
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Stan Schulz
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Description: |
| The clamp consists of a channel iron base, along with a loop having a threaded extension and a tightening hand-nut. This tool would be fastened to a work bench or similar stable surface.
One of the wrenches shown in the illustrations is the design in Greenamyer's parallel patent (no. 444,779). |
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