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Frank S. Cheng
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East Brunswick, NJ, US
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last 30 patents
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Patent Grant
Post call directory entry device and method
Patent number
6,081,583
Issue date
Jun 27, 2000
Lucent Technologies Inc.
Frank S. Cheng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Recorded conversation method for evaluating the performance of spea...
Patent number
6,035,046
Issue date
Mar 7, 2000
Lucent Technologies Inc.
Frank S. Cheng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Smart directory management
Patent number
5,838,783
Issue date
Nov 17, 1998
Lucent Technologies, Inc.
Frank S. Cheng
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Two-pass directory entry device and method
Patent number
5,737,392
Issue date
Apr 7, 1998
Lucent Technologies Inc.
Frank S. Cheng
H04 - ELECTRIC COMMUNICATION TECHNIQUE