Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866930 | Membrane seal for application to pulsed rocket motors | Michael Fling | 1989-09-19 |
| 4864817 | Membrane seal for application to pulsed rocket motor | Michael Fling | 1989-09-12 |