Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139579 | Method for preparing high silicon, low carbon austempered cast iron | Bela V. Kovacs, John R. Keough | 1992-08-18 |
| 5064478 | Method and apparatus for surface austempering of cast iron parts | Bela V. Kovacs, John R. Keough | 1991-11-12 |
| 5043028 | High silicon, low carbon austemperable cast iron | Bela V. Kovacs, John R. Keough | 1991-08-27 |