Annegret Siefen has worked on the following 1 EPO patent applications which have been published in the last five years:

EP09778173

SOUND INSULATING DEVICE

IPC classification:
E01B 19/00, E01B 21/04
Agent:
Gunther Friderichs, Augspurger Friderichs Rechtsanwälte
Status:
NO OPPOSITION FILED WITHIN TIMELIMIT

Please Sign in to use this feature