Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5842511 | Casting wheel having equiaxed fine grain quench surface | Derek Raybould, Chin-Fong Chang, Howard H. Liebermann, Nicholas J. DeCristofaro | 1998-12-01 |
| 5564490 | Homogeneous quench substrate | Howard H. Liebermann | 1996-10-15 |