Matti Kokkonen

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Jyvaskyla, FI

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Patents Grantslast 30 patents

Information Patent Grant
Housing for electronic communication devices
- Patent number D598012
- Issue date Aug 11, 2009
- Emfit Oy
- Matti Leo Kokkonen
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Amplifier
- Patent number D587239
- Issue date Feb 24, 2009
- B-Band Oy
- Heikki Raisanen
- D14 - Recording, communication, or information retrieval equipment