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All Patents in class 384
Patents 1 - 15 of 422
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NumberDatePatenteeTitleType
105XFeb. 16, 1796J. EatonManufacturing of Seal Skinsleatherworker
730XFeb. 12, 1807E.A. LesterCasting Trundle Heads for Axletreespatternmaker
6,124XOct. 01, 1830J. ElgarRail road cars
8,060XMar. 10, 1834F. FredleyReducing friction spindle
8,399XSep. 09, 1834I. ClowesFriction rollers for machinery
8,765XApr. 14, 1835B. HinkleyDiminishing friction in axletrees
8,881XJun. 12, 1835J. NicoletAnti-friction wheels, applicable to steam boatssteamboats
9,239XNov. 14, 1835E. Fisk, J.C. GreenHubs and rotary bearing, anti-friction boxeswheelwright
9,799XJun. 30, 1836J. AbbottHorse poweranimal powered apparatus
1,252Jul. 17, 1839I. BabbittMode of making boxes for axles and gudgeonsindustrial machine bearings
AI33Sep. 04, 1840I. BabbittJournal Boxindustrial machine mechanisms
6,039Jan. 16, 1849H. KnowlesBearing for upright shaftsindustrial machine bearings
9,072Jun. 29, 1852G. HotchkissHanging steps of mill-spindles
11,232Jul. 04, 1854J. Brayley, J.A. PittsImprovement in horse-poweranimal powered apparatus
13,225Jul. 10, 1855O. Parkhurst, D. BullockMachine for cutting screws on bedsteadswood lathes
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