JL

John Leslie Leng

WE West: 2 patents #179 of 400Top 45%
TO Tokimec: 1 patents #33 of 82Top 45%
VI Vickers: 1 patents #64 of 188Top 35%
Overall (All Time): #1,447,208 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10663987 Pressure regulator Adrian John Meagher 2020-05-26
10591066 Pressure regulator 2020-03-17
5230364 Pressure relief valve Tsuyoshi Ando, Kousuke Hatakenaka, Akio Mito 1993-07-27