Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7878246 | Methods of perforation using viscoelastic surfactant fluids and associated compositions | Mathew M. Samuel, Yerik Balabatyrov, Frank F. Chang, Liz Morris | 2011-02-01 | $55,529,000 |
| 5552068 | Lubricant composition containing amine phosphate | — | 1996-09-03 | $58,519,000 |