Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320255 | Radio with audio controls and associated displays | Michael W. Null, Charles W. Bethards | 1982-03-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4320255 | Radio with audio controls and associated displays | Michael W. Null, Charles W. Bethards | 1982-03-16 |