Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232660 | Nitrogen steel and method of manufacture thereof | Charles W. Finkl | 1993-08-03 |
| 5059389 | Low alloy steel product | Charles W. Finkl | 1991-10-22 |
| 4600427 | Method of ladle steelmaking and product produced thereby | Charles W. Finkl | 1986-07-15 |
| 4541862 | Ladle steelmaking method and apparatus | Charles W. Finkl, Herbert S. Philbrick, Jr. | 1985-09-17 |
| 4468249 | Machinery steel | — | 1984-08-28 |
| 4318739 | Steel having improved surface and reduction of area transverse properties, and method of manufacture thereof | — | 1982-03-09 |