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| Patents for R. L. Farrington | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,089,737 | Mar. 10, 1914 | G.K. Wright | Ratchet Wrench | ratchet wrenches | |
| D48,996 | May 02, 1916 | W.W. Taylor | Design For A Wrench | self-adjust wrenches | |
| D54,461 | Feb. 10, 1920 | W.F. Scheffler | Combined Wrench and Spring-Leaf Oiler | wrench combination tools | |
| 1,373,683 | Apr. 05, 1921 | H.M. Svebelius | Plier Type Wrench | pliers | |