Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents for George Harrington
Patents 1 - 2 of 2
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
132,456Oct. 22, 1872T.A. EdisonImprovement in apparatus for perforating paper for telegraphic use
  195,751Oct. 02, 1877T.A. EdisonAutomatic Telegraph
Toggle print mode
Hide pictures

Copyright © 2002-2025 - DATAMP