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All Patents in class 474/84
Patents 1 - 5 of 5
First set of recordsLast set of records
10,374Jan. 03, 1854D.H. ChamberlainMode of banding pulleys for sawswoodworking power transmission
46,890Mar. 21, 1865D. EldridgeImprovement in fly-wheels
119,674Oct. 03, 1871W. WeaverImprovement in Mechanical Movementindustrial machine pulleys and belt drive mechanisms
188,300Mar. 13, 1877A.D. MartinRoad Enginesteam road engines
650,131May 22, 1900B.G. LutherBelt-tightenermetalworking power transmission
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