US Patent: 644,263
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| Wrench
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Patentee:
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| Otto Stechhan (exact or similar names) - Indianapolis, IN |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 08, 1900 |
| Granted: |
Feb. 27, 1900 |
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Patent Pictures:
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Otto Stechhan patent February 27, 1900 |
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Stan Schulz
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Description: |
| Conventional "monkey wrench;" the distinctive feature is the extended shank doubled back on itself to form the core of the handle, and the base for the adjusting screw.
Compare Franklin P. Bates patent no. 684,037; Bates was also associated with the Indianapolis Drop Forging Co. |
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