Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6578623 | Ceramic core and method of making | Ronald J. Keller, Rodney S. Haaland | 2003-06-17 |
| 6315941 | Ceramic core and method of making | Ronald J. Keller, Rodney S. Haaland | 2001-11-13 |
| 5977007 | Erbia-bearing core | Eliot S. Lassow, David L. Squier | 1999-11-02 |
| 5706881 | Heat treatment of superalloy casting with partial mold removal | Robert E. Grunstra, Jacqueline B. Wahl | 1998-01-13 |
| 5679270 | Method for removing ceramic material from castings using caustic medium with oxygen getter | Thomas John Oliver Thornton, Neil E. Paton | 1997-10-21 |