ECHO CANCELING APPARATUS, ECHO CANCELING METHOD, AND TELEPHONE COMMUNICATION APPARATUS
- Application ID: EP13748795
- Status: █ PATENT GRANTED
This EP application has the IPC class H04 (ELECTRIC COMMUNICATION TECHNIQUE). Novagraaf and Novagraaf International S.A. are specialized in H04. Novagraaf, Novagraaf International S.A. 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.