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| All Patents in class 464/134 | |||||
| Number | Date | Patentee | Title | Type | |
| 364,503 | Jun. 07, 1887 | G.P. Fenner | Universal Joint | industrial machine universal joints | |
| 1,371,750 | Mar. 15, 1921 | W.R. Fox | Flexible shaft-coupling | ||
| 1,382,720 | Jun. 28, 1921 | W.R. Fox, A.A. Riddell | Flexible shaft-coupling | ||