Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767729 | Process for the preparation of a voltage-dependent ceramic resistance based on ZnO, and a resistance produced by the process | Maged A. Osman, Roger Perkins, Claus Schuler | 1988-08-30 |