Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5950702 | Consumable pattern coating for lost foam castings | Lian S. Tan, Teresa A. DeLong | 1999-09-14 |
| 5582232 | Inorganic foundry binder systems and their uses | Heimo J. Langer, Steven C. Akey | 1996-12-10 |
| 5382289 | Inorganic foundry binder systems and their uses | Heimo J. Langer, Steven C. Akey | 1995-01-17 |