Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7766126 | Thermal valve assembly stand tube | Todd R. Berger, Steven A. Coleman, Derril A. Loe | 2010-08-03 |
| 4828607 | Replacement of coke in plasma-fired cupola | Shyam V. Dighe, Walter J. Peck, Seymour Katz, William H. Provis | 1989-05-09 |