Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883472 | Injection device | — | 1989-11-28 |
| 4839710 | CMOS cell which can be used as a resistor, a capacitor, an RC component or a terminating impedance of a signal | Heinz P. Holzapfel | 1989-06-13 |