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Patents Granted on 1857-03-31
Patents 1 - 14 of 14
First set of recordsLast set of records
NumberDatePatenteeTitleType
RE444Mar. 31, 1857J.A. WoodburyPlaning machinewood planers
16,911Mar. 31, 1857E. EdwardsRotary shingle-machineshingle machines
16,917Mar. 31, 1857W.P. Haskell, A. HaskellMachine for manufacturing shoe-lastscobbler
16,919Mar. 31, 1857J.S. HallSteam Carriagesteam carriages
16,923Mar. 31, 1857J. HumphreyMachine for cutting slots in clothes-pinsclothespin machines
16,924Mar. 31, 1857A.R. HurstMachine for Husking Corncorn huskers
16,931Mar. 31, 1857A.C. MooreMethod of securing bits in their stocksbrace chucks
16,932Mar. 31, 1857A. MooreMethod of centering and holding hubs while being boreddrilling and boring
16,933Mar. 31, 1857J.E. MorganImprovement in Harrowsharrows
16,936Mar. 31, 1857W.D. SloanAutomatic lathe for turning irregular formspattern lathes
16,937Mar. 31, 1857D.B. SpencerSteam Plowsteam plows
16,938Mar. 31, 1857A.W. StreeterMethod of constructing bit-stocksbraces
16,940Mar. 31, 1857S.J. Wethrell, E.P. MorganShaping Enginemetal shapers
16,954Mar. 31, 1857H.S. DeweyMachine for cutting the throats of carpenters' plane-stockstool making machines
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