Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents for Helwig Mfg. Co.
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
188,133Mar. 06, 1877J. HellwigBolt and Rivet Cutterbolt cutters
444,635Jan. 13, 1891J. HelwigBolt and Rivet Cutterbolt cutters
1,502,192Jul. 22, 1924J. HelwigWrench and Process of Manufacturing the Samescrew adjust wrenches
Toggle print mode
Show pictures

Copyright © 2002-2019 - DATAMP