Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560394 | Oxygen enrichment system | George H. McDonald | 1985-12-24 |
| 4556180 | Fuel tank inerting system | — | 1985-12-03 |
| 4508548 | Air oxygen and nitrogen concentration device | — | 1985-04-02 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4560394 | Oxygen enrichment system | George H. McDonald | 1985-12-24 |
| 4556180 | Fuel tank inerting system | — | 1985-12-03 |
| 4508548 | Air oxygen and nitrogen concentration device | — | 1985-04-02 |