Top Mark Mechanical Equipment Limited
Hong Kong
Patents
Verfahren und Vorrichtung zur Steuerung des Betriebs der Sammelbohrung von DTH-Hammern
EP2626505
ANNULUS-BOHRER
EP2673450
Holder of 2 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.