PS

Peter R. Sperry

Rohm And Haas: 2 patents #29 of 199Top 15%
📍 Doylestown, PA: #8 of 74 inventorsTop 15%
🗺 Pennsylvania: #357 of 4,234 inventorsTop 9%
Overall (1994): #22,913 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5331025 Coating compositions incorporating composite polymer particles Alvin C. Lavoie, Jen-Chi Chen, Chao-Jen Chung, Dennis Paul Lorah, Andrew W. Gross 1994-07-19
5319055 Non-aqueous thickening agents Chao-Jen Chung 1994-06-07