Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772867 | Precision resistance network, especially for thick-film hybrid circuits | — | 1988-09-20 |
| 4243969 | Layer resistor element | Wolf-Erhard Steigerwald, Heinz-Jurgen Siede, Jurgen Zimmermann | 1981-01-06 |