Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5755892 | Waste disposal of contaminated drill cuttings from geological drilling using drilling fluid systems containing mineral oil | Claus-Peter Herold, Heinz Mueller, Stephan von Tapavizca, Douglas J. Grimes | 1998-05-26 |