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All Patents in class 74/617 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 521,055 | Jun. 05, 1894 | C.W. Shartle | Slip-collar for pulleys, shafts, &c. | |
846,088 | Mar. 05, 1907 | C.E. Brinley | Shaft-collar |