Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836999 | Method for controlling claus furnace with variable hydrocarbon feed composition | Robert L. Reed | 1989-06-06 |
| 4711357 | Automated system and method for transporting and sorting articles | Keith A. Langenbeck | 1987-12-08 |