Home| FAQSearch:Advanced|Person|Company| Type|ClassLogin
Quick search:
Patent number:
Patent Date:
All Patents in class 74/424.84
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
756,388Apr. 05, 1904W.B. MayMeans for converting reciprocatory into rotary motionspiral screwdrivers
5,535,638Jul. 16, 1996R.H. WillisonAntifriction Screw Drivemetalworking power transmission
Toggle print mode
Show pictures

Copyright © 2002-2024 - DATAMP