Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318816 | Laminated hologram decals for identification cards and the like | John E. Wreede, Kevin Yu | 1994-06-07 |
| 5282066 | Multiple layer holograms | Kevin Yu, John E. Wreede | 1994-01-25 |