John F. Goad

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Apoqka, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Mid-range loudspeaker
- Patent number D329648
- Issue date Sep 22, 1992
- Barry S. Goldfarb
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Mid-range loudspeaker assembly propagating forward and backward sou...
- Patent number 5,131,052
- Issue date Jul 14, 1992
- Amel L. Hill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic audio signal amplifier and loudspeaker system
- Patent number 5,129,006
- Issue date Jul 7, 1992
- Amel L. Hill
- H04 - ELECTRIC COMMUNICATION TECHNIQUE