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| Patents for R. Dale Sparhawk | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 350,892 | Oct. 12, 1886 | G.S. Myrick | Wood-planing machine | |
![]() | 373,411 | Nov. 15, 1887 | G.S. Myrick | Planer-matcher | |
![]() | 455,300 | Jul. 07, 1891 | J. Berner | Ratchet Wrench | |