SS

Sidney S. Seffren

RC Rca: 1 patents #133 of 435Top 35%
📍 Philadelphia, PA: #17 of 104 inventorsTop 20%
🗺 Pennsylvania: #570 of 2,652 inventorsTop 25%
Overall (1982): #30,665 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4315269 Thick protective overcoat layer for optical video disc Allen Bloom, Alan E. Bell, Robert A. Bartolini 1982-02-09