Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6360823 | Apparatus and method for performing downhole measurements | Aaron Ranson, Douglas Espin, Mariela Araujo | 2002-03-26 |
| 5407475 | Thermally stable thiosulfate hydroxyethylcellulose suspension | Carl A. Lukach | 1995-04-18 |
| 5001231 | Invert emulsion polysaccharide slurry | — | 1991-03-19 |
| 4990608 | Diaphragm wall construction gelatin composition | — | 1991-02-05 |