Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857421 | Alkali metal thermoelectric genreator | — | 1989-08-15 |
| 4825661 | High efficiency, orientation-insensitive evaporator | Mark T. Holtzapple | 1989-05-02 |
| 4807697 | External artery heat pipe | Nelson J. Gernert, Robert M. Shaubach | 1989-02-28 |