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All Patents in class 474/903
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
630,868Aug. 15, 1899J.A. DormanSplit Pulleyindustrial machine pulleys and belt drive mechanisms
646,414Apr. 03, 1900T. CorscadenPulleyindustrial machine pulleys and belt drive mechanisms
767,377Aug. 16, 1904R.H. BowenSheave, wheel, or pulleyindustrial machine pulleys and belt drive mechanisms
788,185Apr. 25, 1905R.H. BowenSheet-metal pulleyindustrial machine pulleys and belt drive mechanisms
875,448Dec. 31, 1907R. MilneCore and castingmachine making
1,076,605Oct. 21, 1913H.P. RestonPulleyindustrial machine pulleys and belt drive mechanisms
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