Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5143711 | Process for manufacturing a precursor powder for use in making a varistor and a powder manufactured in this process | Wolfgang Kluge, Roger J. Perkins, William J. Dawson | 1992-09-01 |
| 4634495 | Dry etching process | Jens Gobrecht | 1987-01-06 |