US Patent: 199,539
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| Pipe-Tongs
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Patentee:
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| George A. Harbaugh (exact or similar names) - Bellefonte, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Aug. 18, 1877 |
| Granted: |
Jan. 22, 1878 |
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Patent Pictures:
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George A. Harbaugh Pat. Jan. 22, 1878 |
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Stan Schulz
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Description: |
| The patented feature is the pivot bolt and accompanying side-plate which adjust the tongs for various sizes of pipe. The tongs also has a spring-loaded bit in one jaw to provide "bite" to grip pipe. |
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