Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648053 | Method and apparatus for controlling a spray form process based on sensed surface temperatures | Richard Allor, Kevin Patrick Regan | 2003-11-18 |
| 5422321 | Composition and process for making an engine valve | Thomas Whalen, Walter Trela, Samuel S. Shinozaki | 1995-06-06 |
| 4388414 | Thermally stable silicon nitride material | John A. Mangels | 1983-06-14 |
| 4377542 | Method of forming a densified silicon nitride article | John A. Mangels | 1983-03-22 |