Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D688575 | Measuring device | Leo KOKKONEN | 2013-08-27 |
| D598012 | Housing for electronic communication devices | Matti Leo Kokkonen | 2009-08-11 |
| D587239 | Amplifier | Heikki Raisanen, Matti Leo Kokkonen | 2009-02-24 |