ACOUSTIC SYSTEM, HEADPHONE DEVICE, LOUDSPEAKER DEVICE, AND ACOUSTIC OUTPUT METHOD
- Application ID: EP18162573
- Status: █ Request for examination was made
This EP application has the IPC class H04 (ELECTRIC COMMUNICATION TECHNIQUE). Kehl Ascherl Liebhoff & Ettmayr is specialized in H04. Kehl Ascherl Liebhoff & Ettmayr is specialised in H04 (ELECTRIC COMMUNICATION TECHNIQUE). Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.