US Patent: 172,551
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Wrench
Improvement in Coach-Wrenches
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Patentee:
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| James R. Brown (exact or similar names) - Cambridgeport, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 01, 1875 |
| Granted: |
Jan. 25, 1876 |
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Patent Pictures:
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James R. Brown Pat. January 25, 1876 |
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Stan Schulz
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Description: |
| The jaw faces are serrated to grip pipe; depending on the handle angle, the angle of the movable jaw can be adjusted relative to its handle, and a screw at the end of the handle can adjust the jaw's position "up and down." |
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