OPTICAL MICROPHONE AND METHOD USING THE SAME
- Application ID: EP15171468
- Status: █ PATENT GRANTED
This EP application has the IPC combination G01 (MEASURING; TESTING) and H04 (ELECTRIC COMMUNICATION TECHNIQUE). We found, that Müller Hoffmann & Partner, ip21 Ltd, Bird Goën & Co NV, K2 IP Ltd, Troesch Scheidegger Werner AG and 45 others are specialized in this combination either. For a similar patent, they might be a good choice.