US Patent: 455,133
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Wrench
Improved Reversible Ratchet
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Patentee:
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| Frederick Samuel Thring (exact or similar names) - New York, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 09, 1890 |
| Granted: |
Jun. 30, 1891 |
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Patent Pictures:
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Frederick Samuel Thring patent June 30, 1891 |
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Stan Schulz
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Description: |
| Reversible ratchet with interchangeable heads to fit different sizes of nuts. The heads include the ratchet teeth, and the frame has a sliding catch to hold the head in place. |
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