Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7718883 | Complete orchestration system | — | 2010-05-18 |
| 4682526 | Accompaniment note selection method | Robert J. Hall, George R. Hall, II | 1987-07-28 |
| 4719834 | Enhanced characteristics musical instrument | Robert J. Hall, George R. Hall, II | 1987-01-19 |
| 4630517 | Sharing sound-producing channels in an accompaniment-type musical instrument | Robert J. Hall, George R. Hall, II | 1986-12-23 |
| 4542675 | Automatic tempo set | Robert J. Hall, George R. Hall, II | 1985-09-24 |
| 4519286 | Method and apparatus for animated harmonization | Robert J. Hall, George R. Hall, II | 1985-05-28 |
| 4508002 | Method and apparatus for improved automatic harmonization | George R. Hall, II, Robert J. Hall | 1985-04-02 |
| 4433601 | Orchestral accompaniment techniques | George R. Hall, II, Robert J. Hall | 1984-02-28 |