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AUTOMATIC TELEPHONE SYSTEM HAVING RESTRICTED SERVICE MEANS
AUTOMATIC TELEPHONE SYSTEM HAVING RESTRICTED SERVICE MEANS
Filed: July 9th, 1964 [Granted]
Patent Number: 3331926
Impact propagation in a directed acyclic graph having restricted views
Impact propagation in a directed acyclic graph having restricted views
Filed: December 14th, 2007 [Granted]
Patent Number: 8051164
Restricted views ensure that available service impact data is only displayed to end users having proper authorization to view underlying impact model data.
RESTRICTED SERVICE TELEPHONE SYSTEM
RESTRICTED SERVICE TELEPHONE SYSTEM
Filed: July 20th, 1951 [Granted]
Patent Number: 2767249
A telephone circuit comprising a substation having means for transmitting a ... a restricted line, means for receiving said pulses, means for decoding said ...
 WILLIS
WILLIS
Filed: October 27th, 1916 [Granted]
Patent Number: 1281112
In an automatic telephone system, a plurality of subscribers' lines, certain of said lines having restricted service, means for extending any line to an ...
PABX RESTRICTED SERVICE ADAPTER
PABX RESTRICTED SERVICE ADAPTER
Filed: March 5th, 1959 [Granted]
Patent Number: 3055984
25, 1962 3055984 PABX RESTRICTED SERVICE ADAPTER Lester L. Smith, McHenry, ... It will, however, block all toll call codes having a predetermined sequence ...
OFFICE
OFFICE
Filed: May 14th, 1923 [Granted]
Patent Number: 1612045
... certain of said stations having restricted service, a service restricting device at each restricted service station, means for extending any line to an ...
RESTRICTED SERVICE ARRANGEMENTS IN TELEPHONE SYSTEMS
RESTRICTED SERVICE ARRANGEMENTS IN TELEPHONE SYSTEMS
Filed: June 30th, 1955 [Granted]
Patent Number: 2914616
24, 1959 2914616 ■ RESTRICTED SERVICE ARRANGEMENTS IN . ... substations of a certain class are provided with a special calling device having an auxiliary, ...
PROGRAM CLOCK
PROGRAM CLOCK
Filed: April 25th, 1969 [Granted]
Patent Number: 3586133
1 2 ELEVATOR CONTROL HAVING RESTRICTED SERVICE BACKGROUND OF THE INVENTION This invention relates to elevator controls and more particularly to controls for ...