Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423879 | Selective para-xylene production by toluene methylation | Stephen H. Brown, Robert A. Ware, David H. Olson | 2002-07-23 |
| 6376111 | System and method for controlling the humidity level of a fuel cell | Stephen Grot | 2002-04-23 |