Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828337 | Brake system for automotive vehicles | Lothar Schiel | 1989-05-09 |
| 4819544 | Two-stage reaction device for vacuum brake booster valves | — | 1989-04-11 |
| 4772356 | Gas treatment apparatus and method | Norman E. Schumaker, Richard A. Stall, Craig R. Nelson | 1988-09-20 |
| 4729287 | Vacuum-operated brake power booster having diaphragm edge bead retention member | Peter Boehm, Gilbert Bischoff, Karl Breitwieser | 1988-03-08 |
| 4714091 | Modular gas handling apparatus | — | 1987-12-22 |
| 4643075 | Vacuum-operated brake power booster | — | 1987-02-17 |
| 4633760 | Vacuum-operated power brake booster having two-part coaxial control valve housing | — | 1987-01-06 |
| 4598548 | Vacuum-operated brake booster | — | 1986-07-08 |
| 4598624 | Vacuum-operated brake power booster | — | 1986-07-08 |
| 4587885 | Vacuum-operated brake power booster | Peter Boehm | 1986-05-13 |
| 4394833 | Brake booster | Rolf Weiler | 1983-07-26 |
| 4393750 | Brake booster | — | 1983-07-19 |
| 4230997 | Buried double heterostructure laser device | Robert L. Hartman, Marc Ilegems, Louis A. Koszi | 1980-10-28 |