Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D388373 | Tire tread | Michel Alfred Marie Oscar Breny | 1997-12-30 |
| D386132 | Tire tread | Michel Alfred Marie Oscar Breny, Hermanus Joannes Andries Vereecken, Maurice Graas | 1997-11-11 |
| D384312 | Tire tread | Kenneth Jenner Powell | 1997-09-30 |
| D381606 | Tire tread | Maurice Graas, Michel Alfred Marie Oscar Breny, Hermanus Joannes Andries Vereecken | 1997-07-29 |
| D379441 | Tire tread | Richard Heinen, Alain Alphonse Z. S. Klepper, Maurice Graas, Michel Constant | 1997-05-27 |