PT

Paul T. Tirrell

DI Dresser Industries: 1 patents #6 of 19Top 35%
Overall (2020): #319,399 of 565,922Top 60%
1
Patents 2020

Issued Patents 2020

Patent #TitleCo-InventorsDate
10670054 Constructing valve positioners for hazardous areas Jonathan Fredric Cohen, Jagdish Gattu, Lei Lu, Anatoly Podpaly, Harold Randall Smart 2020-06-02