Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557420 | Electromagnetically controllable spray valve and spray system | Marcel Boschung | 1985-12-10 |
| 4383770 | Apparatus for determining the freezing point of a liquid on or from a road surface | Marcel Boschung | 1983-05-17 |