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USER INVOCATION OF SERVICES IN PUBLIC SWITCHED TELEPHONE NETWORK VIA PARALLEL DATA NETWORKS

08/761,257 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Dec. 6, 1996
Examiner EVA C TANG
Class 370
Art Group 2732
Patent No. 5,917,817
Case Type Utility - 370/352000
Status Patented Case
Last Updated: 4 years, 10 months ago
Date # Transaction