Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689768 | Spelling verification system with immediate operator alerts to non-matches between inputted words and words stored in plural dictionary memories | Roderick S. Heard | 1987-08-25 |
| 4582441 | Text editing with voice prompting | William Augustus Carter, Randal H. Cecil | 1986-04-15 |