Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6059934 | Co-current contacting separation tray design and methods for using same | Berne K. Stober | 2000-05-09 |
| 5837105 | Co-current contacting separation tray design and methods for using same | Berne K. Stober | 1998-11-17 |
| 4695364 | Lube or light distillate hydrodewaxing method and apparatus with light product removal and enhanced lube yields | Kenneth R. Graziani, Chwan P. Kyan, Stuart S. Shih | 1987-09-22 |