Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878494 | Cardio-valve assist unit and method for performing cardio-valve replacement surgery | James L. Phillips, J. Donald Hill | 1989-11-07 |
| 4852200 | Device for cleaning electric knives | James L. Phillips, Lawrence M. Silverman | 1989-08-01 |
| 4834097 | Cardio-valve assist unit and method for performing cardio-valve replacement surgery | James L. Phillips, J. Donald Hill | 1989-05-30 |