US Patent: 898,267
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| Wrench
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Patentee:
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| Harvey Nelson Rothweiler (exact or similar names) - Seattle, WA |
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Patent Dates:
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| Applied: |
Mar. 23, 1908 |
| Granted: |
Sep. 08, 1908 |
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Patent Pictures:
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Harvey N. Rothweiler patent September 8, 1908 |
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Stan Schulz
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Description: |
| The patented features are the slideable gripping surface on the movable jaw, and the removable threaded surfaces on the shank.
Manufacturer information taken from advertisements in popular magazines. The "PAT PENDING" CRESCO pipe wrench with a rocking jaw (introduced in 1909) and "CRESCO / Pat. Apl'd For" Monkey wrench (introduced in 1911) were also produced by Crescent Forgings. |
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