Robert Gudmandsen

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Taastrup, DK

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic system for a stereo pick-up with a movable coil
- Patent number 4,884,262
- Issue date Nov 28, 1989
- Ortofon Manufacturing A/S
- Jan Larsen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pick-up
- Patent number 4,310,917
- Issue date Jan 12, 1982
- Ortofon Manufacturing A/S
- Bjarne S. Hansen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Compact moving-coil pickup of low weight and high quality
- Patent number 4,237,349
- Issue date Dec 2, 1980
- Ortofon Manufacturing A/S
- Bjarne S. Hansen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE