RD

Ruth A. Davis

Air Products And Chemicals: 1 patents #57 of 175Top 35%
📍 Allentown, PA: #14 of 65 inventorsTop 25%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #60,223 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4857082 Membrane unit turn-down control system Stephen Paul DiMartino, Sr., Jeffrey A. Hopkins 1989-08-15