Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5954052 | Safety stowage apparatus for crew oxygen masks | Gary R. Hannah | 1999-09-21 |
| 5307793 | Microphone signal attenuating apparatus for oxygen masks | Gary Sinclair, Charles L. Vice, Michael Brumley | 1994-05-03 |