Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents Granted on 1820-07-__
Patents 1 - 9 of 9
First set of recordsLast set of records
3,212XJul. 05, 1820E. Hall (Hale)Water wheelwater wheels
3,213XJul. 06, 1820D. TomlinsonCurrying Knifecurrying knives
3,214XJul. 06, 1820J.W. JenkinsPloughsplows or ploughs
3,215XJul. 11, 1820C. RedhefferGaining power by cog wheels, etc.
3,216XJul. 18, 1820D. FiskBalance lever hydraulic machine
3,217XJul. 20, 1820B. SimmonsLinen spinning wheelspinner
3,218XJul. 28, 1820T. DakinDraw grinding gun barrelsgunsmith
3,219XJul. 28, 1820J.S. WrightPloughplows or ploughs
3,220XJul. 28, 1820M. Fowler (Fowler Mallby)Machine for hulling grain and ricemiller
Toggle print mode
Show pictures

Copyright © 2002-2018 - DATAMP