Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879135 | Configurations and methods for claus plant operation with variable sulfur content | Ravi Ravikumar, Gordon Sims | 2011-02-01 |
| 5590185 | Multiple phone line adaptor | Kendy Ip | 1996-12-31 |