Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5571486 | Method and apparatus for top-charging solid waste into a molten metal bath | Edgar J. Robert, Christopher J. Nagel, Thomas P. Griffin | 1996-11-05 |
| 5491279 | Method for top-charging solid waste into a molten metal bath | Edgar J. Robert, Christopher J. Nagel, Thomas P. Griffin | 1996-02-13 |