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| Patents for Albert C. Richard | |||||
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| Number | Date | Patentee | Title | Type | |
| 27,090 | Feb. 07, 1860 | A.C. Richard | Improved Mode of Constructing Screw-Wrenches | nut wrenches | |
| RE4,450 | Jun. 27, 1871 | A.C. Richard | Albert C. Richard's Improved Screw-Wrench | nut wrenches | |