FS

Frederic N. Schwettmann

HP HP: 2 patents #2,312 of 7,018Top 35%
📍 San Jose, CA: #17,604 of 32,062 inventorsTop 55%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,327,035 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4971851 Silicon carbide film for X-ray masks and vacuum windows Armand P. Neukermans, Kuo-Ling Chiang, Donald R. Bradbury 1990-11-20
4608326 Silicon carbide film for X-ray masks and vacuum windows Armand P. Neukermans, Kuo-Ling Chiang, Donald R. Bradbury 1986-08-26