Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5927379 | Infiltration method for producing shells useful for investment casting | Mehrdad Yasrebi, David H. Sturgis, Mark E. Springgate, Douglas Gene Nikolas | 1999-07-27 |
| 5791371 | Valve lock | — | 1998-08-11 |
| 5643844 | Method for stabilizing ceramic suspensions | Mehrdad Yasrebi, Mark E. Springgate, Douglas Gene Nikolas, David H. Sturgis, Renee Van Ginhoven | 1997-07-01 |
| 5624604 | Method for stabilizing ceramic suspensions | Mehrdad Yasrebi, David H. Sturgis, Ilhan A. Aksay, Hamazo Nakagawa | 1997-04-29 |
| 5464797 | Yttria-zirconia slurries and mold facecoats for casting reactive metals | Mehrdad Yasrebi, David H. Sturgis, Douglas Gene Nikolas, Gary L. Wright, Thomas J. Kelly, III +2 more | 1995-11-07 |
| 5407001 | Yttria-zirconia slurries and mold facecoats for casting reactive metals | Mehrdad Yasrebi, David H. Sturgis, Douglas Gene Nikolas, Gary L. Wright, Thomas J. Kelly, III +2 more | 1995-04-18 |
| 4815516 | Method for recovering casting refractory compositions from investment casting shell molds | David H. Sturgis | 1989-03-28 |
| 4799530 | Method for recovering casting refractory compositions from investment casting slurries | David H. Sturgis | 1989-01-24 |