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
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
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
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
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
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
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
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 ...