Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850411 | Vehicle wheel | Hans Seitz, Heinz-Dieter Rach, Udo Frerichs | 1989-07-25 |
| 4577668 | Vehicle wheel | Hans Seitz, Udo Frerichs, Heinz-Dieter Rach | 1986-03-25 |
| 4481991 | Tread configuration for motor vehicle tires | — | 1984-11-13 |
| 4471825 | Tread structure for pneumatic vehicle tire | Dieter Kuhn, Udo Frerichs, Heinz-Dieter Rach | 1984-09-18 |
| 4437503 | Tread configuration for pneumatic vehicle tires | Hans Seitz, Heinz-Dieter Rach, Udo Frerichs | 1984-03-20 |
| 4424846 | Tread configuration for pneumatic vehicle tires | Hans Seitz, Heinz-Dieter Rach, Udo Frerichs | 1984-01-10 |
| 4408647 | Vehicle wheel | Dieter Kuhn, Heinz-Dieter Rach, Udo Frerichs | 1983-10-11 |
| 4383568 | Tread configuration for motor vehicle tires | — | 1983-05-17 |
| 4337813 | Tread configuration of pneumatic tires for motor vehicles | Heinz-Dieter Rach | 1982-07-06 |