Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887513 | Brake cylinder with bayonet connection | Jurgen Ewald, Josef Frania | 1989-12-19 |
| 4729290 | Fluid pressure actuated spring brake cylinder | Jurgen Ewald, Josef Frania | 1988-03-08 |