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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1 | 2
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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. |
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