DW

Douglas R. Williams

Air Products And Chemicals: 1 patents #23 of 90Top 30%
🗺 California: #27,826 of 68,989 inventorsTop 45%
Overall (2020): #486,205 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10876634 Annular sealing assembly David Jonathan Chalk, Gregory Peter Hupp, Lance Michael Grimm 2020-12-29