Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D336269 | Tire | Silvana Hinrichsen | 1993-06-08 |
| D333285 | Tire | Silvana Hinrichsen | 1993-02-16 |
| D308188 | Vehicle tire | Silvana Hinrichsen | 1990-05-29 |
| D308189 | Vehicle tire | Silvana Hinrichsen | 1990-05-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D336269 | Tire | Silvana Hinrichsen | 1993-06-08 |
| D333285 | Tire | Silvana Hinrichsen | 1993-02-16 |
| D308188 | Vehicle tire | Silvana Hinrichsen | 1990-05-29 |
| D308189 | Vehicle tire | Silvana Hinrichsen | 1990-05-29 |