Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591189 | Document having light-transmissive, electrically conductive authenticating interior layer | Reynold E. Holmen | 1986-05-27 |
| 4430366 | Metal/metal oxide coating | George H. Crawford, Roy G. Schlemmer | 1984-02-07 |
| 4405678 | Protected vapor-deposited metal layers | Richard S. Fisch | 1983-09-20 |
| 4364995 | Metal/metal oxide coatings | George H. Crawford, Roy G. Schlemmer | 1982-12-21 |