Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8083517 | Method of operating a furnace | Thomas F. Robertson, John J. Nowakowski | 2011-12-27 |
| 8033254 | Submerged combustion vaporizer with low NOx | Mark C. Hannum, Thomas F. Robertson, John J. Nowakowski | 2011-10-11 |