Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618284 | Collagen treatment apparatus | — | 1997-04-08 |
| 5591157 | Method and apparatus for tympanic membrane shrinkage | David R. Hennings, Arthur Vassiliadis, Richard Goode, Stuart Harmon | 1997-01-07 |