Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071645 | Process of producing an active agent delivery device | Harlan B. Johnson | 1991-12-10 |
| 4959208 | Active agent delivery device | Paritosh M. Chakrabarti, John M. Denison, Harlan B. Johnson, Malcolm Korach, Dennis D. Leatherman +2 more | 1990-09-25 |
| 4957787 | Artificial flower | W. Brent Burleson | 1990-09-18 |