Sound amplification box and sound amplification device including the same
- Application ID: EP14191358
- Status: █ APPLICATION DEEMED TO BE WITHDRAWN
This patent has the IPC combination H02 (GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER) and H04 (ELECTRIC COMMUNICATION TECHNIQUE) is specialized in the combination H02 and H04. We found, that Awapatent AB, Dreiss Patentanwälte PartG mbB, Novagraaf, Westphal Mussgnug & Partner, Schwabe Sandmair Marx and 24 others are specialized in all of these IPC classes. For a similar patent, they might be a good choice.