Hans DE Vries

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Illnau, CH

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Patents Grantslast 30 patents

Information Patent Grant
Circuit arrangement for a remote control receiver
- Patent number 4,126,793
- Issue date Nov 21, 1978
- Zellweger Uster Limited
- Hans de Vries
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method and apparatus for remote transmission of signals
- Patent number 4,007,360
- Issue date Feb 8, 1977
- Zellweger AG
- Roger Kniel
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Current-supply arrangement for an electronic remote control receiver
- Patent number 3,978,388
- Issue date Aug 31, 1976
- Zellweger Uster Ltd.
- Hans DE Vries
- G05 - CONTROLLING REGULATING