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All Patents in class 474
Patents 1 - 15 of 401
First set of recordsNext set of recordsLast set of records
5,989XMay 22, 1830R. KingsburyScrew cog for shives of ship blocksblocks and wedges
FX-6,346Jan. 21, 1831J.W. Dart, W. WebsterPropelling mills
8,097XMar. 19, 1834D. EvansBand pulley (Hoisting machine)
8,418XSep. 23, 1834S. LeonardHorse poweranimal powered apparatus
8,605XJan. 16, 1835J.G. Stanley, J.C. HowardEndless band for horse poweranimal powered apparatus
9,661XMay 17, 1836S.H. FreemanMill wheel
1,322Sep. 14, 1839S. KingMachine for sawing and jointing stavesbarrel making machines
8,745Feb. 17, 1852R.W. ParkerBanding pulleyscircular saws
9,845Jul. 12, 1853S.T. SanfordBoring-machinedrilling and boring
10,374Jan. 03, 1854D.H. ChamberlainMode of banding pulleys for sawswoodworking power transmission
15,559Aug. 19, 1856R. EickemeyerImproved method of regulating the velocity of feed for sawing-millssawmills
RE900Feb. 14, 1860G. Westinghouse, Sr.Improvement in endless-chain horse-powers
27,846Apr. 10, 1860H. UnderwoodBeltingindustrial machine mechanisms
RE1,322Jul. 01, 1862A.W. GrayImprovement in horse-powersanimal powered apparatus
38,025Mar. 31, 1863J. BrinkerhoffImproved Mode of Hanging Balance-Wheels, &c.industrial machine mechanisms
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