Security Door Controls Trademarks
EMLOCK
Filed: May 9, 1983
Electromagnetic Door Locks
Owned by: Security Door Controls
Serial Number: 73425096
HI TOWER
Filed: May 14, 1984
ELECTRIC DOOR LOCKS COMPRISING MORTISE LOCKS WITH ASSOCIATED ELECTRICAL ACTUATORS
Owned by: Security Door Controls
Serial Number: 73480375
SDC
Filed: November 13, 1984
ELECTRIC LOCKS
Owned by: Security Door Controls
Serial Number: 73508555
SDC
Filed: November 13, 1984
Electric Locks
Owned by: Security Door Controls
Serial Number: 73508556
