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Michael J. Robinson
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Seattle, WA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Gateway for using non-IP digital PBX telephone handsets with an IP...
Patent number
7,995,556
Issue date
Aug 9, 2011
Tortel USA LLC
Michael J. Robinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for monitoring a caller's name while using a t...
Patent number
5,625,676
Issue date
Apr 29, 1997
Active Voice Corporation
Robert C. Greco
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for processing an incoming call in a communica...
Patent number
5,581,604
Issue date
Dec 3, 1996
Active Voice Corporation
Michael J. Robinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for selecting and playing a voice mail message
Patent number
5,568,540
Issue date
Oct 22, 1996
Active Voice Corporation
Robert C. Greco
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Telephone auto attendant system for delivering chosen greetings to...
Patent number
5,533,102
Issue date
Jul 2, 1996
Active Voice
Michael J. Robinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method and apparatus for processing an incoming call in a communica...
Patent number
5,434,906
Issue date
Jul 18, 1995
Michael J. Robinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal analyzing system
Patent number
5,070,526
Issue date
Dec 3, 1991
Active Voice, Inc.
Robert L. Richmond
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Gateway for using non-IP digital PBX telephone handsets with an IP...
Publication number
20040066923
Publication date
Apr 8, 2004
CITEL Technologies LTD.
Michael J. Robinson
H04 - ELECTRIC COMMUNICATION TECHNIQUE