Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36001 | Sand mold member and method | June-Sang Siak, William Thomas Whited, Richard Michael Schreck | 1998-12-22 |
| 5837373 | Sand mold member and method | June-Sang Siak, William Thomas Whited, Richard Michael Schreck | 1998-11-17 |
| 5749409 | Method of forming refractory coated foundry core | June-Sang Siak, Scott W. Biederman, William Thomas Whited | 1998-05-12 |
| 5582231 | Sand mold member and method | June-Sang Siak, William Thomas Whited, Richard Michael Schreck | 1996-12-10 |
| 4641703 | Countergravity casting mold and core assembly | Karl D. Voss, Gary F. Ruff | 1987-02-10 |