Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 74/838
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
7,964Mar. 04, 1851H. WatermanVariable Cut-Off Regulated by the Governorsteam engine governors
164,736Jun. 22, 1875J.L. HewesImprovement in valve-gears for steam-enginessteam engines
302,835Jul. 29, 1884H.F. FrisbieValve Gear for Puppet Valve Enginessteam engine valve gear
2,444,159Jun. 29, 1948L.E. GodfriauxFluid Pumpreciprocating pumps
Toggle print mode
Show pictures

Copyright © 2002-2019 - DATAMP