Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6941991 | Radial tire with improved ply line | Gia Van Nguyen, Marco Joseph Eicher | 2005-09-13 |
| D388035 | Tire tread | Richard Heinen, Pierre Harpes, Bernard Jean Francois Croissant | 1997-12-23 |
| D382520 | Tire tread | Pierre Harpes, Richard Heinen | 1997-08-19 |
| D379791 | Tire tread | Richard Heinen | 1997-06-10 |
| D379441 | Tire tread | William Urbano Villamizar, Richard Heinen, Maurice Graas, Michel Constant | 1997-05-27 |
| D368882 | Tire tread | Richard Heinen | 1996-04-16 |
| D368690 | Tire tread | Richard Heinen | 1996-04-09 |
| D368689 | Tire tread | Richard Heinen | 1996-04-09 |
| D367449 | Tire tread | Robert A. Chin, Raymond R. DiRossi, Maurice Graas, Richard Heinen, John Kotanides, Jr. +1 more | 1996-02-27 |
| D364367 | Tire tread | Bruno Pierre Maitre | 1995-11-21 |
| D348241 | Tire tread | Maurice Graas, Richard Heinen | 1994-06-28 |
| D336270 | Tire tread and buttress | Maurice Graas | 1993-06-08 |
| D303364 | Tire | Maurice Graas | 1989-09-12 |
| 4721141 | Asymmetrical tire pitching techniques | Jean Joseph Victor Collette | 1988-01-26 |