Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942986 | Pressurized tundish for controlling a continuous flow of molten metal | Thomas W. Lewis, Paul E. Hamill, Jr., Mustafa R. Ozgu, Donovan N. Rego, Guido P. Brita | 1990-07-24 |
| 4915270 | Low-head feeding system for thin section castings | Sabah S. Daniel, Thomas R. Kleeb, Thomas W. Lewis, John F. McDermott, Mustafa R. Ozgu +2 more | 1990-04-10 |