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| All Patents in class 403/246 | |||||
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| Number | Date | Patentee | Title | Type | |
| 50,838 | Nov. 07, 1865 | H.W. Olney | Improvement in Attaching Augers to their Handles | auger handles | |
| 97,455 | Nov. 30, 1869 | A. Stanley | Bit-stock | brace chucks | |
| 333,472 | Dec. 29, 1885 | J.J. Lloyd | Mining Tool | stoneworking | |
| 471,456 | Mar. 22, 1892 | F.A. Albert | Tool Handle | pitchforks | |