Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642108 | Chordic keyboard system for generating a signal in response to a chord that is assigned using a correlation based on a composite chord-difficulty index | Daniel Gopher, David Vicknair | 1997-06-24 |
| 5576706 | Methods and apparatus for using multiple keyboards connected in a daisy chain to a keyboard port of a computer | Darrin P. Daigle | 1996-11-19 |
| 5493654 | Chordic keyboard system for generating a signal in response to a chord that is assigned using a correlation based on a composite chord-difficulty index | Daniel Gopher, David Vicknair | 1996-02-20 |