Holger Wirsing

RGRefratechnik Holding Gmbh: 1 patents #1 of 3Top 35%

Oebisfelde, DE: #3 of 17 inventorsTop 20%

Overall (2011): #283,015 of 364,097Top 80%

1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
8030236	Fire-resistant ordinary ceramic batch, and fire-resistant product therefrom	Hans-Jurgen Klischat, Carsten Vellmer	2011-10-04