Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1824 | Vapor deposition of a thin polymer film on solid propellant rocket grain | Paul T. Johnsen, Robert B. Dillinger | 1999-12-07 |
| 5379699 | Active spray rocket propellant ignition controller | Paul T. Johnsen, Robert B. Dillinger | 1995-01-10 |