Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889556 | Method of recycling steel belted tires | — | 1989-12-26 |
| 4853033 | Method of desulfurizing molten metal in a plasma fired cupola | Raymond F. Taylor, Jr. | 1989-08-01 |
| 4828607 | Replacement of coke in plasma-fired cupola | Bradley A. Buczkowski, Walter J. Peck, Seymour Katz, William H. Provis | 1989-05-09 |