Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997213 | Encapsulated branch coolant hose | Dale Traner, Layne Railsback, Bradley A. Chaffee | 1991-03-05 |
| 4446117 | Double digestion system to reduce formation of ferrous iron | — | 1984-05-01 |
| 4324769 | Extraction and production of alumina containing less than 0.03 percent iron oxide | — | 1982-04-13 |