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| Patents for Paul A. Rickrode | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 2,604,071 | Jul. 22, 1952 | P.A. Rickrode | Drop hammer of the gravity type | |
![]() | 2,619,072 | Nov. 25, 1952 | E.C. Clarke, Jr., P.A. Rickrode | Drop hammer control | |