Issued Patents All Time
Showing 1–25 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D472518 | Tire tread | — | 2003-04-01 |
| D412304 | Tire tread | Ellen MacDonald Williams | 1999-07-27 |
| D408338 | Tire tread | Ellen MacDonald Williams | 1999-04-20 |
| D405396 | Tire tread | Ellen MacDonald Williams | 1999-02-09 |
| D405398 | Tire tread | — | 1999-02-09 |
| D404346 | Tire tread | — | 1999-01-19 |
| D402940 | Tire tread | Ellen MacDonald Williams | 1998-12-22 |
| D402946 | Tire tread | — | 1998-12-22 |
| D398891 | Tire tread | — | 1998-09-29 |
| D384606 | Tire tread | — | 1997-10-07 |
| D380710 | Tire tread | — | 1997-07-08 |
| D380711 | Tire tread | — | 1997-07-08 |
| D375064 | Tire | — | 1996-10-29 |
| D372891 | Tire | — | 1996-08-20 |
| D370878 | Tire | — | 1996-06-18 |
| D369135 | Tire | — | 1996-04-23 |
| D368685 | Tire | — | 1996-04-09 |
| D367026 | Tire | — | 1996-02-13 |
| D366438 | Tire | — | 1996-01-23 |
| D365060 | Tire | — | 1995-12-12 |
| D365059 | Tire | — | 1995-12-12 |
| D365058 | Tire | — | 1995-12-12 |
| D365057 | Tire | — | 1995-12-12 |
| D365056 | Tire | — | 1995-12-12 |
| D365055 | Tire | — | 1995-12-12 |