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Adaptive video telephone system
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Patent number 8,089,502
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Issue date Jan 3, 2012
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Worldgate Service, Inc.
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Hal M. Krisbergh
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Videophone system and method
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Patent number 8,063,928
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Issue date Nov 22, 2011
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Worldgate Service, Inc.
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Hal M. Krisbergh
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Videophone system and method
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Patent number 7,239,338
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Issue date Jul 3, 2007
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Worldgate Service, Inc.
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Hal M. Krisbergh
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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