Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5888058 | Positive displacement machine having rotating vanes and a non-circular chamber profile | Andre Leroy | 1999-03-30 |
| 5439359 | Rotary positive displacement machine with helicoid surfaces of particular shapes | Andre Leroy | 1995-08-08 |
| 4776057 | Wiper system for motor vehicles | Christian Beneteau, Andre Leroy | 1988-10-11 |
| 4720885 | Wiping arrangement for windows of vehicles | Andre Leroy | 1988-01-26 |
| 4683605 | Wiping arrangement for windows of vehicles | Andre Leroy | 1987-08-04 |
| 4584734 | Windscreen wiper system | Andre Leroy | 1986-04-29 |
| 4556372 | Positive displacement machine having improved displacement curve | Andre Leroy | 1985-12-03 |
| 4525891 | Windscreen wiper system | Andre Leroy | 1985-07-02 |