Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723802 | Music instrument which generates a rhythm EKG | Charles Lee Johnson, Allan Miller, Vernon A. Miller | 1998-03-03 |
| 5491297 | Music instrument which generates a rhythm EKG | Charles Lee Johnson, Allan Miller, Vernon A. Miller | 1996-02-13 |