Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents for W. F. Hapgood
Patents 1 - 1 of 1
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
269,132Dec. 12, 1882W. Stanley, Jr.Carbon filament produced from hair
Toggle print mode
Hide pictures

Copyright © 2002-2025 - DATAMP