Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7999170 | Acoustic drum set amplifier device specifically calibrated for each instrument within a drum set | Rui Alvaro Prado Lopez | 2011-08-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7999170 | Acoustic drum set amplifier device specifically calibrated for each instrument within a drum set | Rui Alvaro Prado Lopez | 2011-08-16 |