Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769192 | Measuring device | Håkan Johansson | 2004-08-03 |
| 6598308 | Measuring system | Håkan Johansson | 2003-07-29 |
| 5636445 | Method and device for checking symmetry | Håkan Johansson | 1997-06-10 |
| 4250453 | Narrow band level detector for detecting a periodic signal | — | 1981-02-10 |