US Patent: 190,330
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Pipe-Tongs
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Patentee:
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Albert H. Jarecki (exact or similar names) - Erie, PA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 06, 1877 |
Granted: |
May 01, 1877 |
Patent Pictures:
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Albert H. Jarecki Pat. May 1, 1877 |
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Stan Schulz
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Description: |
The "bit" has an interrupted screw thread, with a groove running the length of the bit. A spring loaded pin has to be lifted to allow for adjustment, and insures the gripping end of the bit is properly aligned. |
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