Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5503665 | Latent image compositions | Richard E. Miller | 1996-04-02 |
| 5489331 | Color changing compositions using acids | Richard E. Miller | 1996-02-06 |
| 5486228 | Washable color changing compositions | Richard E. Miller, Cheryl Krieger | 1996-01-23 |
| 5478382 | Color changing compositions for use on non-porous surfaces | Richard E. Miller | 1995-12-26 |
| 5326388 | Color changing compositions | Richard E. Miller | 1994-07-05 |