Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843303 | Method of sand coremaking | June-Sang Siak, Gordon Alwin Tooley, Mei Cai, Richard Michael Schreck | 2005-01-18 |
| RE36001 | Sand mold member and method | June-Sang Siak, Mark Allen Datte, Richard Michael Schreck | 1998-12-22 |
| 5837373 | Sand mold member and method | June-Sang Siak, Mark Allen Datte, Richard Michael Schreck | 1998-11-17 |
| 5749409 | Method of forming refractory coated foundry core | June-Sang Siak, Scott W. Biederman, Mark Allen Datte | 1998-05-12 |
| 5582231 | Sand mold member and method | June-Sang Siak, Mark Allen Datte, Richard Michael Schreck | 1996-12-10 |