US Patent: 163,642
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Improvement in Pipe-Tongs
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Patentee:
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George D. Dean (exact or similar names) - Newark, NJ |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 05, 1875 |
Granted: |
May 25, 1875 |
Patent Pictures:
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1 | 2
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George H. Dean Pat. May 25, 1875 |
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Stan Schulz
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Description: |
Two eccentric discs with a common center and a pawl provide size adjustment for this tongs.
A patent model for this patent passed through a nationally advertised auction in the fall of 2009. |
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