HC

Herbert Chao

GE: 2 patents #141 of 1,059Top 15%
📍 Paoli, PA: #2 of 8 inventorsTop 25%
🗺 Pennsylvania: #313 of 3,759 inventorsTop 9%
Overall (1989): #26,361 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4845159 Photoactive and thermally active polymeric iodonium salts, use, and method for making 1989-07-04
4808674 Aryl ester-grafted polyphenylene ethers and phenylene ether-amide graft copolymers prepared therefrom Bruce C. Johnson, Thomas W. Hovatter, Steven Thomas Rice 1989-02-28