Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6388230 | Laser imaging of thin layer electronic circuitry material | Richard W. Carpenter | 2002-05-14 |
| 6007744 | Polymerizable dyes as taggants | — | 1999-12-28 |
| 5925402 | Method of forming a hidden identification using powder coating | Robert M. Didrick | 1999-07-20 |