Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 235/69
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
67,269Jul. 30, 1867F.J. CoffinImprovement in Slides for Rules, Scales and Tablesrule attachments
557,246Mar. 31, 1896G.F. WynnePhotographic Exposure Meterspecial purpose slide rules
756,055Mar. 29, 1904L.B. RhodesProtractor Rulefolding rules
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP