WC

Wen-Hsuan Chang

PI Ppg Industries: 2 patents #16 of 198Top 9%
📍 Gibsonia, PA: #3 of 29 inventorsTop 15%
🗺 Pennsylvania: #313 of 3,759 inventorsTop 9%
Overall (1989): #13,348 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4824926 Bilayer windshield with an abrasion and solvent resistant polyurethane protective coating James B. O'Dwyer, Roger L. Scriven, Joseph Cherenko 1989-04-25
4808663 Method of preparing acrylic polymers containing hydrolyzable moieties from organosilane compounds Paul J. Prucnal, John R. Peffer, Edward L. Dufford, Ronald R. Ambrose 1989-02-28