Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D393434 | Tire tread | William Urbano Villamizar | 1998-04-14 |
| D388373 | Tire tread | William Urbano Villamizar | 1997-12-30 |
| D386132 | Tire tread | William Urbano Villamizar, Hermanus Joannes Andries Vereecken, Maurice Graas | 1997-11-11 |
| D381606 | Tire tread | Maurice Graas, William Urbano Villamizar, Hermanus Joannes Andries Vereecken | 1997-07-29 |
| 5437321 | Belt reinforcing structure for a pneumatic tire | — | 1995-08-01 |
| D355155 | Tire tread | Roland Andre Terver | 1995-02-07 |
| D352489 | Tire tread | Maurice Graas, Jenner Powell | 1994-11-15 |