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| All Patents in class 72/459 | |||||
| Number | Date | Patentee | Title | Type | |
| 2,682,189 | Jun. 29, 1954 | W.K. Bergman | Handwheel Wrench | handwheel wrenches | |
| 3,685,335 | Aug. 22, 1972 | L.J. Kowal | Tube bender | pipe and tube benders | |