TZ

Theo Zollner

HM Heliotronic Forschungs- Und Entwicklungsgesellschaft Fur Solarzellen-Grundstoffe Mbh: 1 patents #4 of 7Top 60%
Overall (1982): #27,351 of 81,411Top 35%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4312700 Method for making silicon rods Dieter Helmreich, Erhard Sirtl 1982-01-26