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All Patents in class 81/57.39
Patents 1 - 15 of 24
First set of recordsNext set of recordsLast set of records
418,337Dec. 31, 1889H.F. KorsRailway Fish-Plate Bolt Wrenchratchet wrenches
484,288Oct. 11, 1892P. BrolinWrenchratchet wrenches
591,779Oct. 12, 1897R. HagstromWrenchratchet wrenches
613,283Nov. 01, 1898W.F. KraheSpoke Gripspoke nipple wrenches
732,055Jun. 30, 1903A. DonavanRatchet Wrenchratchet wrenches
935,482Sep. 28, 1909B.W. Fresko, A. FreskoWrenchratchet wrenches
970,209Sep. 13, 1910B.W. Fresko, A. FreskoWrenchratchet wrenches
1,391,619Sep. 20, 1921L.A. EdwinsonRatchet Wrenchratchet wrenches
2,290,197Jul. 21, 1942C.D. Burbank, H.H. MerrimanWrenchratchet wrenches
2,578,686Dec. 18, 1951H.L. FishOpen-Sided-Socket Ratchet Wrenchratchet wrenches
2,712,256Jul. 05, 1955H.L. FishOpen Ratchet Wrenchratchet wrenches
2,726,563Dec. 13, 1955G.W. BlackburnRachet Wrench Provided with Supplemental Head Turnig Meansratchet wrenches
2,817,257Dec. 24, 1957T.J. KniserRatchet Wrench with Supplemental Head Turning Meansratchet wrenches
2,954,715Oct. 04, 1960C.E. WycechOpen Head Ratchet Wrenchratchet wrenches
3,270,595Sep. 06, 1966J.A. Blachowski, E.L. HallOffset Drive Attachment with Reversing Meansauxiliary wrenches
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