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| Patents for John R. Adams | |||||
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| Number | Date | Patentee | Title | Type | |
| 236,401 | Jan. 11, 1881 | D. Robertson, J.R. Adams | Detachable Lip for Augers | auger bits | |
| 794,667 | Jul. 11, 1905 | G. Dechant | Cutter Turret with Multiple Blades | plane blades | |