Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6215736 | Enhanced quadribalanced digital time displays | — | 2001-04-10 |
| 5805534 | Positionally consistent, balanced digital time displays | — | 1998-09-08 |
| 5757730 | Last minute graphics for balanced digital time displays | — | 1998-05-26 |
| 5182733 | Readily settable balanced digital time displays | — | 1993-01-26 |
| 4720823 | Push-pull, stem-controlled digital time displays | — | 1988-01-19 |
| 4671673 | Hourly flagged digital time displays | — | 1987-06-09 |
| 4627737 | Fully bi-directional digital time displays | Edwin P. Nance, Marc H. Segan | 1986-12-09 |
| 4271497 | Quadri-balanced digital time displays | — | 1981-06-02 |
| 4270196 | Balanced complementary digital time displays | — | 1981-05-26 |
| 4264966 | Balanced digital time displays | — | 1981-04-28 |
| 4194352 | Compact, multi-functional digital time displays | — | 1980-03-25 |