US Patent: 461,032
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Pipe Wrench
Improved Wrench for Screwing and Unscrewing Pipes or Anything Round
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Patentee:
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| Charles Miller (exact or similar names) - Washington, MO |
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Patent Dates:
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| Applied: |
May 25, 1891 |
| Granted: |
Oct. 13, 1891 |
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Patent Pictures:
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Charles Miller patent October 13, 1891 |
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Stan Schulz
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Description: |
| Effective gripping size generated by interaction of two swinging jaw segments.
A January 28, 1892 item in AMERICAN MACHINIST notes Miller was producing the wrench and companion pipe cutter at Washington, MO. The pipe cutter is patent no. 438,702. |
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