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Patents Granted on 1838-04-__
Patents 1 - 13 of 13
First set of recordsLast set of records
NumberDatePatenteeTitleType
664Apr. 02, 1838R. SavaryMachine for Making Wrought Spikes and Nailsspecialty machines
667Apr. 02, 1838O. Wright, A.A. WrightRotary steam-enginerotary steam engines
AI3Apr. 04, 1838J. Heberling, W.E. Lukens, H. Heberling, A. TrahernHorse Poweranimal powered apparatus
681Apr. 07, 1838R. DanielsCrosscut eclipse shearing-machine for shearing woolen clothscloth shearing machines
684Apr. 07, 1838F. Burdick, T. BurdickMachine for mortising timber, &c.mortising machines
685Apr. 07, 1838I. McLaughlinMachine for mortising timber, &c.mortising machines
694Apr. 14, 1838C. Learned, S. WatermanBrick Machinebrick and tile making machines
RX-2Apr. 16, 1838W. Keane, deceased (estate of), T. Sellick, administratorImprovement in Machines for cutting Wood and Other Screwswood threading machines
RE2Apr. 16, 1838W. KeaneImprovement in Machines for Cutting Wood and Other Screws
699Apr. 21, 1838D.C. StoneMachine for manufacturing axestool making machines
700Apr. 21, 1838J.C. YatesSawmill without saw-gatereciprocating sawmills
716Apr. 28, 1838H. BarnesMachine for mortising and tenoning timber, &c.mortising machines
717Apr. 28, 1838J. SecorSawmill for sawing timberreciprocating sawmills
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