Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882240 | Closed cycle electrical power system | Douglas J. Silva | 1989-11-21 |
| 4859116 | Leak containment storage facility | — | 1989-08-22 |
| 4842844 | Method of generating hydrogen | Douglas J. Silva | 1989-06-27 |