Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents for Daniel W. Knefler
Patents 1 - 1 of 1
First set of recordsLast set of records
NumberDatePatenteeTitleType
112,018Feb. 21, 1871N.T. CoffinImprovement in pumps
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP