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| Patents for Paul E. Lenker | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,803,954 | Apr. 16, 1974 | P.E. Lenker | Adjustable Ratchet Wrench | self-adjust wrenches | |
| 3,941,017 | Mar. 02, 1976 | R.G. Voss, P.E. Lenker | Plier Type Ratchet Wrench | ratchet wrenches | |
| 4,274,309 | Jun. 23, 1981 | P.E. Lenker | Method of Manufacture of Certain Hand Wrenches and the Like | ratchet wrenches | |