Nicholas Zwick

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Denville, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
AD-HOC conferencing method
- Patent number 5,701,340
- Issue date Dec 23, 1997
- Dialogic Corporation
- Nicholas Zwick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voice detection
- Patent number 5,638,436
- Issue date Jun 10, 1997
- Dialogic Corporation
- Chris Hamilton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Selectively activated dual tone multi-frequency detector
- Patent number 5,459,781
- Issue date Oct 17, 1995
- Dialogic Corporation
- Jeffrey I. Kaplan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic call center overflow retrieval system
- Patent number 5,185,786
- Issue date Feb 9, 1993
- Dialogic Corporation
- Nicholas Zwick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic number identification blocking system
- Patent number 5,161,181
- Issue date Nov 3, 1992
- Dialogic Corporation
- Nicholas Zwick
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Measurement of transmission quality of a telephone channel
- Patent number 4,862,492
- Issue date Aug 29, 1989
- Dialogic Corporation
- Nicholas Zwick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automated call filter
- Patent number 4,852,149
- Issue date Jul 25, 1989
- Dialogic Corporation
- Nicholas Zwick
- H04 - ELECTRIC COMMUNICATION TECHNIQUE