Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5530682 | Method and apparatus for transmitting an information signal | — | 1996-06-25 |
| 5315565 | Resonance oscillator | — | 1994-05-24 |
| 4218674 | Method and a system for verifying authenticity safe against forgery | Erik Furugard | 1980-08-19 |