Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5454411 | Tread profile for winter tires | Frank Weyrich, Otto Sallein | 1995-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5454411 | Tread profile for winter tires | Frank Weyrich, Otto Sallein | 1995-10-03 |