Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5704207 | Flow control apparatus for gas turbine engine installation pressure relief doors | Ronald L. Balzer | 1998-01-06 |
| 5623820 | Flow control apparatus for gas turbine engine installation pressure relief doors | Ronald L. Balzer, Michael L. Sangwin | 1997-04-29 |