Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6535145 | Ideographic keyboard and method | Kenneth A. Fesler, Eugene W. Weber | 2003-03-18 |
| 5791792 | Ideographic typewriter and method | Kenneth A. Fesler, Eugene W. Weber | 1998-08-11 |
| 4722621 | Keyboard assembly and recording apparatus | — | 1988-02-02 |
| 4541028 | Hand-held transducing device for insertable records | — | 1985-09-10 |
| 4400457 | Dual layer record element and method | — | 1983-08-23 |