Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6353989 | Method of making recesses in metallic workpieces for use in torque transmitting apparatus | Johann Jackel | 2002-03-12 |
| 6056099 | Method of making recesses in metallic workpieces for use torque transmitting apparatus | Johann Jackel | 2000-05-02 |
| 6048284 | Pulley with a damper between rotary input and output members | Friedrich Gerhardt, Peter Klein, Joachim Hoffmann, Herbert Kiefer-Gander, Alexander Ellert +2 more | 2000-04-11 |
| 5257715 | Method of making brake bands | Johann Jackel | 1993-11-02 |