Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5640706 | Method and apparatus for producing a product in a regenerator furnace from impure waste containing a non-gasifiable impurity | Christopher J. Nagel, Ian Yates | 1997-06-17 |
| 5640709 | Method and apparatus for producing a product in a regenerator furnace from impure waste containing a non-gasifiable impurity | Christopher J. Nagel, Ian Yates | 1997-06-17 |