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Patents for Warren R. Church | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 941,475 | Nov. 30, 1909 | L.H. Vold | Wheel lathe | |
![]() | 990,421 | Apr. 25, 1911 | G.H. Benzon, Jr. | Belt Driving Mechanism for Reciprocating Parts of Machines |