4Silence B. V.
7573 GE Oldenzaal
Patents
SCHALLDÄMMENDE EINRICHTUNG, INSBESONDERE EINE SCHALLDÄMPFENDE EINHEIT
EP3093391
STRASSE MIT SCHALLDIFFRAKTOREN
EP2491180
DIFFRAKTOR ZUR KLANGDIFFRAKTION
EP3019662
Holder of 3 patents, 2 in force.
From Swissreg, the register of the Federal Institute of Intellectual Property: Swiss patents and European patents with effect in Switzerland. A patent is listed here when its holder’s name is this entity’s.