Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 144/10
Patents 1 - 2 of 2
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
131,648Sep. 24, 1872W.L. YoungMachine for making escalator treads
  328,013Oct. 13, 1885S. CoxMachine for making conveyer-flights
Toggle print mode
Hide pictures

Copyright © 2002-2025 - DATAMP