Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409794 | Method for producing composite powders based on silver-tin oxide, the composite powders so produced, and the use of such powders to produce electrical contact materials by powder metallurgy techniques | Roger Wolmer, Frank Heringhaus, Dietrich Ruehlicke, Dan V. Goia | 2002-06-25 |