Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4188892 | Method and apparatus for removal of fly ash from a waste incinerator with liquid slag discharge | Gerhard Kiefer | 1980-02-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4188892 | Method and apparatus for removal of fly ash from a waste incinerator with liquid slag discharge | Gerhard Kiefer | 1980-02-19 |