Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4227049 | Audio system for isolating sounds from individual components of drum set-up for selectively mixing | Ian W. Thomson, JoEllen Burch | 1980-10-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4227049 | Audio system for isolating sounds from individual components of drum set-up for selectively mixing | Ian W. Thomson, JoEllen Burch | 1980-10-07 |