DIGITAL ENTRY
Filed: February 11, 1991
digital security access control device
Owned by: SECURITY DOOR CONTROLS, INC.
Serial Number: 74138136
ENTRYCHECK
Filed: July 26, 1991
digital security and card access control units and magnetically encoded cards for use therewith
Owned by: SECURITY DOOR CONTROLS, INC.
Serial Number: 74188876
EXIT CHECK
Filed: August 23, 1993
delayed egress electromagnetic locks
Owned by: SECURITY DOOR CONTROLS, INC.
Serial Number: 74427735
REQUEST TO EXIT PUSH BAR
Filed: August 23, 1993
pressure activated bars for control of doors
Owned by: SECURITY DOOR CONTROLS, INC.
Serial Number: 74427756
SURE EXIT
Filed: August 23, 1993
pressure activated switch bar for emergency door exists
Owned by: SECURITY DOOR CONTROLS, INC.
Serial Number: 74427909
ENTRY CHECK
ELECTROMAGNETIC DOOR LOCKS AND MAGNETIC CODE CARD READERS FOR SECURITY PURPOSES
Owned by: SECURITY DOOR CONTROLS, INC.
Serial Number: 75609935
ENTRYCHECK
DIGITAL SECURITY DOOR CONTROL UNITS AND MAGNETICALLY ENCODED CARDS TO OPERATE SAID DOOR CONTROL UNITS
Owned by: SECURITY DOOR CONTROLS, INC.
Serial Number: 76244364
SHIPQUICK
ARRANGING FOR A RAPID DELIVERY OF SOPHISTICATED ELECTRONICALLY OPERABLY SECURITY LOCKS AND ACCESS CONTROL UNITS USED THEREWITH…
Owned by: SECURITY DOOR CONTROLS, INC.
Serial Number: 76345977
