Helmut Hoegl

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D-8023 Munchen-Pullach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Element of a photovoltaic solar cell and a process for the producti...
- Patent number 5,902,416
- Issue date May 11, 1999
- Twin Solar-Technik Entwicklungs-GmbH
- Ralf M. Kern
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Solar cell arrangement
- Patent number 4,913,744
- Issue date Apr 3, 1990
- Helmut Hoegl
- H01 - BASIC ELECTRIC ELEMENTS