Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697174 | Matrix-array display | — | 1997-12-16 |
| 4986014 | Matrix-type advertising device | — | 1991-01-22 |
| 4733487 | Display unit | — | 1988-03-29 |
| 4642675 | Superheterodyne receiver | — | 1987-02-10 |
| 4238849 | Method of and system for transmitting two different messages on a carrier wave over a single transmission channel of predetermined bandwidth | — | 1980-12-09 |