JL

John K. Larson

PI Precision Instruments: 4 patents #2 of 3Top 70%
Overall (All Time): #1,290,130 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5503042 Antifriction force transmission means for plungers of torque signalling wrenches John A. Larson, Talmage O. Green 1996-04-02
5244284 Antifriction roller means for plungers Talmage O. Green 1993-09-14
5129293 Torque control mechanism for wrenches and the like Talmage O. Green 1992-07-14
4901610 Adjustable torque controlling mechanism Talmage O. Green 1990-02-20