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| All Patents in class 192/43.2 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,395,681 | Feb. 26, 1946 | W.H. Odlum, K.A. Paine | Ratchet mechanism | ||
| 2,772,669 | Dec. 04, 1956 | W.E. Armstrong | Engine Pull Starter | starters | |
| 2,957,377 | Oct. 25, 1960 | T.G. Hare | Reversible Ratchet Type Wrench | ratchet wrenches | |
| 3,078,973 | Feb. 26, 1963 | L.E. Kilness | Ratchet Mechanism | ratchet wrenches | |
| 4,793,222 | Dec. 27, 1988 | A.F. Beugelsdyk | Ratcheting Tool Driver, &c. | ratcheting screwdrivers | |