Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5035018 | Method of applying dye | Ronald Robbins, William R. Walden | 1991-07-30 |
| 5033700 | Automated dye pattern application system | Ronald Robbins, William R. Walden | 1991-07-23 |
| 4979380 | Automated dye pattern application system | Ronald Robbins, William R. Walden | 1990-12-25 |