Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4686649 | Word processor with alternative formatted and unformatted display modes | Elizabeth A. Rush, Dan M. Howell | 1987-08-11 |
| 4495490 | Word processor and display | Beth R. Hopper, Dan M. Howell | 1985-01-22 |
| 4459049 | Abbreviated typing with special form display | Dan M. Howell, Lisa S. Trevathan | 1984-07-10 |
| 4272813 | Communicating typewriter and dictation system utilizing analog recording and transmission techniques | Dan M. Howell, William M. Schuller | 1981-06-09 |
| 4225249 | Variable character spacing matrix for proportional spacing printing systems | Howard G. Kettler, Walter Rosenbaum | 1980-09-30 |