Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493450 | Intercom system including improved automatic squelch control for use in small aircraft and other high noise environments | Charles A. Johnson | 2002-12-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493450 | Intercom system including improved automatic squelch control for use in small aircraft and other high noise environments | Charles A. Johnson | 2002-12-10 |