Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4738987 | Composition for skin care | Roy D. Mattson | 1988-04-19 |
| 4591189 | Document having light-transmissive, electrically conductive authenticating interior layer | Edward J. Downing | 1986-05-27 |