Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6520218 | Container chemical guard | John N. Gregg, Frank L. Cook, Robert M. Jackson | 2003-02-18 |
| 5049869 | Dimming circuit for dual display aircraft instruments | — | 1991-09-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6520218 | Container chemical guard | John N. Gregg, Frank L. Cook, Robert M. Jackson | 2003-02-18 |
| 5049869 | Dimming circuit for dual display aircraft instruments | — | 1991-09-17 |