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All Patents in class 74/60
Patents 1 - 6 of 6
First set of recordsLast set of records
10,366Jan. 03, 1854M.W. HeltonMethod of hanging and operating saw-gatesreciprocating sawmills
563,249Jul. 07, 1896H.C. BakerGas Engineinternal combustion engines
580,444Apr. 13, 1897H.C. BakerGas Engineinternal combustion engine valves
1,679,884Aug. 07, 1928H.T. ThomasAttachment for drillshandheld power tool accessories
1,785,733Dec. 23, 1930D.R. FrancisControl Means for Variable Speed Transmisionindustrial machine speed changing mechanisms
2,940,324Jun. 14, 1960P. BelznerWobble Drive
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