Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5175425 | Process for marking semiconductor surfaces | Hans-Hermann Spratte | 1992-12-29 |
| 4482209 | Mirror structure | Virinder Grewal | 1984-11-13 |
| 4372809 | Method for manufacturing solderable, temperable, thin film tracks which do not contain precious metal | Virinder Grewal | 1983-02-08 |