Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5445895 | Material for electric contacts of silver with carbon | Volker Behrens, Karl E. Saeger, Thomas Honig, Roland Michal | 1995-08-29 |
| 4594489 | Electrical switching element | Bruno Gengenbach, Roland Michal, Ferenc Remenyi | 1986-06-10 |