PB

Philip E. Bloomfield

PE Pennwalt: 1 patents #16 of 47Top 35%
📍 Yeadon, PA: #7 of 20 inventorsTop 35%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #69,037 of 140,708Top 50%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4800048 Die drawing process and apparatus for piezoelectric polymer films and tubes Richard A. Ferren, Dean Wickwire 1989-01-24