Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D415079 | Tire tread | Richard Heinen, Georges Nicolas Hilbert | 1999-10-12 |
| D412474 | Tire tread | Richard Heinen | 1999-08-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D415079 | Tire tread | Richard Heinen, Georges Nicolas Hilbert | 1999-10-12 |
| D412474 | Tire tread | Richard Heinen | 1999-08-03 |