Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5005719 | Tamper evident optical device and article utilizing the same | Roger W. Phillips, Vernon C. Spellman, Wayne L. Gossett, Marc A. Kamerling, Paul G. Coombs +1 more | 1991-04-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5005719 | Tamper evident optical device and article utilizing the same | Roger W. Phillips, Vernon C. Spellman, Wayne L. Gossett, Marc A. Kamerling, Paul G. Coombs +1 more | 1991-04-09 |