Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856061 | Method for cryptographic transmission of speech signals and a communication station for performing the method | — | 1989-08-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856061 | Method for cryptographic transmission of speech signals and a communication station for performing the method | — | 1989-08-08 |