Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 175/415
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
51,980Jan. 09, 1866W.W. St. JohnDrill-head
4,595,322Jun. 17, 1986B. ClementSpade drill bitdrill bits
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP