Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7338593 | Drilling fluid | Len Baltoiu, Flori Baltoiu | 2008-03-04 |
| 7332458 | Drilling fluid | Len Baltoiu, Flori Baltoiu | 2008-02-19 |
| 6281172 | Quaternary nitrogen containing amphoteric water soluble polymers and their use in drilling fluids | Peter Marten Van Der Horst, Theodorus A. van't Zelfde | 2001-08-28 |
| 4468403 | Analgesic substituted piperidylidene-2-sulfon(cyan)amide derivatives | Edward E. Knaus, Theodore A. Ondrus | 1984-08-28 |