Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5019332 | Heat, corrosion, and wear resistant steel alloy | Edward A. Wanner, Wilson P. Rehrer, Sunil Widge | 1991-05-28 |
| 4929419 | Heat, corrosion, and wear resistant steel alloy and article | Edward A. Wanner, Wilson P. Rehrer, Sunil Widge | 1990-05-29 |