Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5929358 | Automatic note switching for digital aural musical instrument tuning | — | 1999-07-27 |
| 5814748 | Pitch raise tuning for digital aural musical instrument tuning | — | 1998-09-29 |
| 5773737 | Visual display for digital aural musical instrument tuning | — | 1998-06-30 |
| 5719343 | Digital aural musical instrument tuning | — | 1998-02-17 |