JW

John N. Walton

HL Hedley Purvis Limited: 6 patents #1 of 6Top 20%
Overall (All Time): #758,068 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6799930 Quick release nut Nicholas More 2004-10-05
5979273 Torque wrench 1999-11-09
5142951 Torque wrench 1992-09-01
5032048 Quick-fastening nut David Campbell 1991-07-16
4998453 Hydraulic bolt tensioner David Campbell 1991-03-12
4982626 Hydraulic torque wrench Nicholas More, Ian Chetwynd Thompson 1991-01-08
4854197 Torque wrenches 1989-08-08