Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4392758 | Underscore erase | David J. Bowles, Carl F. Johnson, Danny Marvin Neal | 1983-07-12 | $28,237,000 |
| 4286202 | Electronic damping of stepper motor | Richard F. Frankeny, George P. Olson | 1981-08-25 | $8,459,000 |
| 4265554 | Paragraph indent | Carl F. Johnson, William R. McCray, Danny Marvin Neal | 1981-05-05 | $13,532,000 |
| 4264226 | Relocate feature for an electronic typewriter | David J. Bowles, Carl F. Johnson, Danny Marvin Neal | 1981-04-28 | $6,516,000 |
| 4252451 | Print point reposition feature for an electronic typewriter | Carl F. Johnson, William R. McCray, Danny Marvin Neal | 1981-02-24 | $24,710,000 |
| 4245918 | Erase through tab | David J. Bowles, Carl F. Johnson, Danny Marvin Neal | 1981-01-20 | $19,034,000 |