Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4834712 | Tube fixation device | Robert B. Edwards, II, Erik Andersen, Michael Thompson | 1989-05-30 |
| 4795430 | Device for intubation of percutaneous endoscopic ostomy | Robert B. Edwards, II, Erik Andersen | 1989-01-03 |