PT

Paul T. Tirrell

DI Dresser Industries: 1 patents #5 of 21Top 25%
Overall (2022): #305,118 of 548,613Top 60%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11306748 Constructing valve positioners for hazardous areas Jonathan Fredric Cohen, Jagadish Gattu, Lei Lu, Anatoly Podpaly, Harold Randall Smart 2022-04-19