Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8454931 | Tungstic acid powder consisting of spherical tungsten particles and method for producing same | Sven Albrecht, Armin Olbrich, Michael Reiβ, Frank Schrumpf, Juliane Meese-Marktscheffel | 2013-06-04 |
| 8052956 | Tungstic acid powder consisting of spherical tungsten particles and method for producing same | Sven Albrecht, Armin Olbrich, Michael Reiss, Frank Schrumpf, Juliane Meese-Marktscheffel | 2011-11-08 |