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| Patents for Richard J. Allyn | |||||
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| Number | Date | Patentee | Title | Type | |
| 205,218 | Jun. 25, 1878 | G.F. Stearns | Improvement in Augers | auger bits | |
| 329,660 | Nov. 03, 1885 | H.S. Lord | Auger-Bit | auger bits | |
| 333,170 | Dec. 29, 1885 | G.F. Stearns | Method of auger manufacture | auger bits | |
| 356,430 | Jan. 18, 1887 | G.F. Stearns | Making Molds for Making Augers | making drills and augers | |