Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4703623 | Double-piston master cylinder with central booster-driven piston driving surrounding low pressure piston | Michel Grenier, Daniel Cieplinski | 1987-11-03 |
| 4493246 | Brake cylinder with two pistons | — | 1985-01-15 |
| 4364305 | Brake cylinder device combining a pneumatically-applied service brake and a spring-applied parking brake | Michel Grenier | 1982-12-21 |