Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D442946 | Microphone | Robert E. Mudra, William Chamberlain, Jeffery Patrick Heuel | 2001-05-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D442946 | Microphone | Robert E. Mudra, William Chamberlain, Jeffery Patrick Heuel | 2001-05-29 |