RF

Richard A. Ferren

PE Pennwalt: 3 patents #44 of 288Top 20%
📍 Ambler, PA: #133 of 341 inventorsTop 40%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,669,549 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4800048 Die drawing process and apparatus for piezoelectric polymer films and tubes Philip E. Bloomfield, Dean Wickwire 1989-01-24
4366768 Power steering direction sensor Walter Kulischenko, Philip E. Bloomfield 1983-01-04
4225482 Concentrated aqueous latex of ethylene/C.sub.2 -C.sub.3 -perfluorocarbon copolymer or terpolymer Daniel A. Dimmig, John C. Grigger 1980-09-30