TZ

Theo Zollner

HM Heliotronic Forschungs- Und Entwicklungsgesellschaft Fur Solarzellen-Grundstoffe Mbh: 1 patents #14 of 33Top 45%
Overall (All Time): #4,064,351 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
4312700 Method for making silicon rods Dieter Helmreich, Erhard Sirtl 1982-01-26