Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835977 | Apparatus and method of air-conditioning parked aircraft | Robert E. Tupack | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835977 | Apparatus and method of air-conditioning parked aircraft | Robert E. Tupack | 1989-06-06 |