Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557622 | Differential quench method and apparatus | William R. Frank, Laurie E. Collins, Joseph D. Russo, Robert J. Boecker, Brian H. Wales | 2003-05-06 |
| 6502627 | Controllable variable magnetic field apparatus for flow control of molten steel in a casting mold | William R. Frank | 2003-01-07 |