Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D383714 | Tire tread | Maurice Graas, Marc Joseph Eicher | 1997-09-16 |
| D383718 | Tire tread | Maurice Graas, Marc Joseph Eicher | 1997-09-16 |
| D370197 | Tire tread | Maurice Graas | 1996-05-28 |
| D363456 | Tire tread | Maurice Graas, John C. M. Munster | 1995-10-24 |
| D361966 | Tire tread | Maurice Graas, John C. M. Munster | 1995-09-05 |
| D360864 | Tire tread | John C. M. Munster | 1995-08-01 |
| D351368 | Tire tread | Maurice Graas | 1994-10-11 |
| D350100 | Tire tread | — | 1994-08-30 |
| D344056 | Tire tread | Maurice Graas | 1994-02-08 |
| 5198047 | Winter type tire tread | Maurice Graas | 1993-03-30 |
| D328583 | Pneumatic tire tread and buttress | Maurice Graas | 1992-08-11 |