Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6198474 | Computer keyboard having full-sized keys suitable for touch typing and thumb operable space key also acting as a shift key | — | 2001-03-06 |
| 5982612 | Apparatus for automatically deploying a computer keyboard into an operative position from a storage position | — | 1999-11-09 |
| 5687058 | Method and apparatus for reducing at least one dimension of a computer keyboard for transportation and storage | — | 1997-11-11 |
| 5574447 | Method and apparatus for modifying characters entered on a computer keyboard | — | 1996-11-12 |
| 5141343 | Compressible/expandable keyboard with adjustable key spacing | Byron D. Roylance | 1992-08-25 |
| 5044798 | Compressible/expandable keyboard with adjustable key spacing | Byron D. Roylance | 1991-09-03 |
| 4482845 | Process for preventing inadvertent actuation of controls | Byron D. Roylance | 1984-11-13 |