US Patent: 400,722
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| Ratchet Wrench
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Patentee:
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| William H. Whitmore (exact or similar names) - Cleveland, OH |
| USPTO Classifications: |
| 81/63 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 23, 1888 |
| Granted: |
Apr. 02, 1889 |
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Patent Pictures:
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William H. Whitmore patent April 2, 1889 |
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Stan Schulz
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Description: |
| Ratchet with adjustable jaw socket. The jaws of the socket are held open by a spring. |
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