US Patent: 1,014,931
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| Chain Pipe Wrench
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Patentee:
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| George Amborn (exact or similar names) - New York, NY |
| USPTO Classifications: |
| 81/70 |
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Patent Dates:
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| Applied: |
Apr. 21, 1910 |
| Granted: |
Jan. 16, 1912 |
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Patent Pictures:
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George Amborn patent Jan. 16, 1912 |
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Stan Schulz
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Description: |
| Refinement of the "VULCAN BIJAW" design in 952,860. Hooks to hold the chain are set on both sides of the handle; a number of alternatives for the interface of the reversible jaws and handle shank are described.
Arthur C. Fraser & Co. - patent attorneys
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