Ernst Wiesner

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Patents Grantslast 30 patents

Information Patent Grant
Process for fabrication of an iron member with a winding for genera...
- Patent number 4,998,339
- Issue date Mar 12, 1991
- Zumtobel Aktiengesellschaft
- Ernst Wiesner
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Energizing circuit for a fluorescent lamp
- Patent number 4,143,302
- Issue date Mar 6, 1979
- Zumtobel Aktiengesellschaft
- Ernst Wiesner
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR