US Patent: 178,288
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| Improvement in Auger-Handles
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Patentee:
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| George L. Gibson (exact or similar names) - Reno, NV |
| USPTO Classifications: |
| 81/28 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 29, 1876 |
| Granted: |
Jun. 06, 1876 |
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Patent Pictures:
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Jeff Joslin (dm)
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Description: |
| Longitudinal saw-cuts are made on both sides of the square socket, in conjunction with a transverse bolt and lever-handle nut, allow the wooden handles to trap bit shanks of various sizes. |
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