Tsai; Liane Toy

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsai; Liane Toy.The latest application filed is for "obtaining information about a called telecommunications party".

Company Profile

0.7.0

Tsai; Liane Toy - Roswell GA
Tsai; Liane Toy - Wheaton IL

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Obtaining information about a called telecommunications party Grant 6,192,115 - Toy , et al. February 20, 2	2001-02-20
Common treatment of calls from subscribers served by different types of telecommunication equipment Grant 5,956,394 - Andruska , et al. September 21, 1	1999-09-21
Hierarchical switch support of services for subscribers directly served by local exchange carriers Grant 5,673,311 - Andruska , et al. September 30, 1	1997-09-30
Control of call features provided to a subscriber by a hierarchical telecommunication switch Grant 5,673,312 - Andruska , et al. September 30, 1	1997-09-30
Call screening at a hierarchical switch based on organizational membership of the parties Grant 5,668,860 - Andruska , et al. September 16, 1	1997-09-16
Hierarchical switch support of services for subscribers based on organizational membership Grant 5,652,790 - Andruska , et al. July 29, 1	1997-07-29
Hierarchical switch support of services for subscribers of independent private branch exchanges Grant 5,646,985 - Andruska , et al. July 8, 1	1997-07-08

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