Eduard Marthaler

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Zurich, CH

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Patents Grantslast 30 patents

Information Patent Grant
Bearing arrangement for a record player tonearm
- Patent number 4,170,362
- Issue date Oct 9, 1979
- Studer; Willi
- Paul Zwicky
- G11 - INFORMATION STORAGE
Information Patent Grant
Bearing arrangement for a record player tonearm
- Patent number 4,170,361
- Issue date Oct 9, 1979
- Studer; Willi
- Paul Zwicky
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...