Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307793 | Microphone signal attenuating apparatus for oxygen masks | Gary Sinclair, Michael Brumley, Tom McDonald | 1994-05-03 |
| D320979 | Computer cabinet | Douglas Patton, Matthew F. Duncan, Richard K. Jung, Joan M. Ciranny | 1991-10-22 |