Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D255463 | Receiver hardware for percussive musical instruments | David Donohoe | 1980-06-17 |
| 4185808 | Connector hardware for percussive instruments | David Donohoe | 1980-01-29 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D255463 | Receiver hardware for percussive musical instruments | David Donohoe | 1980-06-17 |
| 4185808 | Connector hardware for percussive instruments | David Donohoe | 1980-01-29 |