Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5112306 | Method and apparatus for valving body fluids | John H. Burton, Eric Berg, Bradford G. Staehle | 1992-05-12 |
| 4950222 | Isolator for use in surgery or as a clean room and method of using the same | Charley J. Fields, James M. Fowler, Jr. | 1990-08-21 |
| 4909785 | Method for valving body fluids | John H. Burton, Eric Berg, Bradford G. Staehle | 1990-03-20 |
| RE32021 | Surgical retractor utilizing elastic tubes frictionally held in spaced notches | — | 1985-11-05 |
| 4274398 | Surgical retractor utilizing elastic tubes frictionally held in spaced notches | — | 1981-06-23 |