Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6146771 | Process for modifying surfaces using the reaction product of a water-insoluble polymer and a polyalkylene imine | David F. Wirt | 2000-11-14 |
| 5532311 | Process for modifying surfaces | Barbara Swenson | 1996-07-02 |
| 5350580 | Device and method for extended delivery of pharmacologically active agents to the ear | David C. Muchow | 1994-09-27 |
| 4411893 | Topical medicament preparations | Dee Lynn Johnson, Therese A. Senta | 1983-10-25 |