Jan Olsfors

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Nyon, Vaud, CH

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Patents Grantslast 30 patents

Information Patent Grant
Tangential pick-up device for a gramophone turn-table
- Patent number 4,268,039
- Issue date May 19, 1981
- Daniel Bois
- G11 - INFORMATION STORAGE
Information Patent Grant
Tangential pick-up device for a gramophone turn-table
- Patent number 4,149,730
- Issue date Apr 17, 1979
- Daniel Bois
- G11 - INFORMATION STORAGE