C. Ray Ballard

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Venice, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Telephone line interface circuit
- Patent number 4,433,212
- Issue date Feb 21, 1984
- Applied Spectrum Technologies, Inc.
- Donald W. Moses
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data under voice communications system
- Patent number 4,425,661
- Issue date Jan 10, 1984
- Applied Spectrum Technologies, Inc.
- Donald W. Moses
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Simultaneous transmission of two information signals within a band-...
- Patent number 4,425,642
- Issue date Jan 10, 1984
- Applied Spectrum Technologies, Inc.
- Donald W. Moses
- G10 - MUSICAL INSTRUMENTS ACOUSTICS