Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7118635 | Method for producing tungsten carbides by gas-phase carburization | Gerhard Gille, Benno Gries | 2006-10-10 |
| 6749663 | Ultra-coarse, monocrystalline tungsten carbide and a process for the preparation thereof, and hardmetal produced therefrom | Benno Gries, Bernhard Szesny | 2004-06-15 |
| 6626975 | Method for producing hard metal mixtures | Benno Gries | 2003-09-30 |