Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5250110 | Dustfree investment material for accurately fitting cast pieces and method of producing these investment materials | Gerlinde Gantert, Bernd Kempf, Klaus-Peter Gundlach | 1993-10-05 |