Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents for William Knapp
Patents 1 - 1 of 1
First set of recordsLast set of records
NumberDatePatenteeTitleType
3,679XApr. 05, 1823W. KnappExtracting the tanin from the bark of trees
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP