Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880962 | Electrical device | Jean-Marie E. Nolf, Jan Vansant | 1989-11-14 |
| 4801784 | Electrical device comprising a PTC or NTC composition | Jean-Marie E. Nolf, Jan Vansant | 1989-01-31 |