Voicewaves, Inc.

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Sunnyvale, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Line-powered detection of call progress tones
- Patent number 5,790,653
- Issue date Aug 4, 1998
- VoiceWaves, Inc.
- John P. Fairbanks
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
74568102 - VOICEWAVES
- Serial number 74568102
- Registration number 2037517
- Filing date Aug 31, 1994
- Voicewaves, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
74568101 - VOICELITE
- Serial number 74568101
- Registration number 1975402
- Filing date Aug 31, 1994
- Voicewaves, Inc.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments