Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5024678 | Process for the prevention or reduction of deposits in carburetors, injection devices and similar devices of engines | Dagmar Mertens-Gottselig, Hartmut Hammer, Heinrich Muller | 1991-06-18 |
| 4950414 | Lubricants for continuously variable transmissions | Siegfried Germann | 1990-08-21 |