Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6845810 | Lost-foam casting apparatus for improved recycling of sprue-metal | June-Sang Siak, Mark Eugene Hoover, Jerry Barendreght | 2005-01-25 |
| 6843303 | Method of sand coremaking | June-Sang Siak, Mei Cai, Richard Michael Schreck, William Thomas Whited | 2005-01-18 |
| 6619373 | Lost foam casting apparatus for reducing porosity and inclusions in metal castings | Mark Eugene Hoover, June-Sang Siak, Richard Simerson | 2003-09-16 |
| 5948352 | Two-chamber furnace for countergravity casting | A. Dean Vender Jagt | 1999-09-07 |
| 5398750 | Quiescent-flow metal pourer | Paul N. Crepeau, A. Dean Vander Jagt | 1995-03-21 |