Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 411/116
Patents 1 - 1 of 1
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
  788,716May 02, 1905F.E. Walden, R.A. HammondWorm Gearing
Toggle print mode
Hide pictures

Copyright © 2002-2025 - DATAMP