Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
Patents for John A. Simmons
Patents 1 - 1 of 1
First set of recordsLast set of records
PictureNumberDatePatenteeTitle
176,116Apr. 11, 1876M. YoungImprovement in machines for boring pipe-stems
Toggle print mode
Hide pictures

Copyright © 2002-2025 - DATAMP