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Paul Zwicky
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Dielsdorf, CH
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last 30 patents
Information
Patent Grant
Amplifier unit
Patent number
5,181,251
Issue date
Jan 19, 1993
Studer Revox AG
Roger Schultheiss
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electrodynamic loudspeaker
Patent number
5,129,005
Issue date
Jul 7, 1992
Studer Revox AG
Paul Zwicky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Magnetic system for dynamic loudspeaker
Patent number
4,980,921
Issue date
Dec 25, 1990
Willi Studer AG
Paul Zwicky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal transducer
Patent number
4,720,665
Issue date
Jan 19, 1988
Willi Studer A.G. Fabric fur elektronische Apparate
Paul Zwicky
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low-distortion audio amplifier circuit arrangement
Patent number
4,567,443
Issue date
Jan 28, 1986
Willi Studer AG
Paul Zwicky
H03 - BASIC ELECTRONIC CIRCUITRY