Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6157819 | Coupling element for realizing electromagnetic coupling and apparatus for coupling a radio telephone to an external antenna | Petteri Annamaa | 2000-12-05 |
| 5990848 | Combined structure of a helical antenna and a dielectric plate | Petteri Annamaa, Seppo Ojantakanen, Seppo Raatikainen, Tero Haapamaki, Pekka Kinnunen +1 more | 1999-11-23 |