Ronald L. Forbes

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McHenry, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Two channel audio scrambling system
- Patent number 4,654,705
- Issue date Mar 31, 1987
- Zenith Electronics Corporation
- Ronald L. Forbes
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Dynamic audio scrambling system
- Patent number 4,636,853
- Issue date Jan 13, 1987
- Zenith Electronics Corporation
- Ronald L. Forbes
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video scrambling by the application of a variable periodic scrambli...
- Patent number 4,568,974
- Issue date Feb 4, 1986
- Oak Industries Inc.
- Pieter den Toonder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE