Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5855264 | Vehicle transmission system fitted with an electrical retarder | — | 1999-01-05 |
| 5847481 | Vehicle transmission system fitted with an electrical retarder | — | 1998-12-08 |
| 5838084 | Vehicle transmission system fitted with an electrical retarder | — | 1998-11-17 |
| 5115693 | Transmissions of vehicles equipped with electric retarders | — | 1992-05-26 |
| 5044227 | Vehicle transmissions equipped with electric retarders | — | 1991-09-03 |
| 5044228 | Vehicle transmissions equipped with electric retarders | — | 1991-09-03 |