RH

Ronald P. Hoffman

EA E.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
📍 Glen Mills, PA: #65 of 179 inventorsTop 40%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,615,037 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6364317 Arrangement for sealing a closed production system Tom Edward Estep, James R. Hunter, Jean Joseph Muller, Germain Schilz, Carl E. Vorhees +2 more 2002-04-02
6101698 Arrangement for sealing a closed production system Tom Edward Estep, James R. Hunter, Jean Joseph Muller, Germain Schilz, Carl E. Vorhees +2 more 2000-08-15
6059318 Lateral entry remotely operated coupling system Tom Edward Estep, James R. Hunter, Jean Joseph Muller, Germain Schilz, Carl E. Vorhees +2 more 2000-05-09