Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 418/246
Patents 1 - 4 of 4
First set of recordsLast set of records
NumberDatePatenteeTitleType
444,834Jan. 20, 1891J.W. HayesRotary Enginerotary steam engines
453,614Jun. 09, 1891S.G. BrosiusRotary Enginerotary engines
501,223Jul. 11, 1893J.H. EickershoffSteam Enginerotary steam engines
570,470Nov. 03, 1896L. GathmanRotary Gas Enginerotary engines
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP