Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835742 | Word-by-word electrically reprogrammable non-volatile memory and method of operation thereof | — | 1989-05-30 |
| 4819202 | Release process for an access-controlled user memory and apparatus for carrying out the process | — | 1989-04-04 |
| 4819204 | Method for controlling memory access on a chip card and apparatus for carrying out the method | — | 1989-04-04 |
| 4814849 | Monolithically integrated semiconductor circuit | — | 1989-03-21 |