Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494263 | Well drilling and servicing fluids and methods of removing filter cake deposited thereby | — | 2002-12-17 |
| 6444316 | Encapsulated chemicals for use in controlled time release applications and methods | Baireddy R. Reddy, Ronald J. Crook, Dennis W. Gray, Russell M. Fitzgerald, Steven B. Laramay | 2002-09-03 |
| 6422314 | Well drilling and servicing fluids and methods of removing filter cake deposited thereby | B. Raghava Reddy, James V. Fisk, Jr., James D. Kercheville | 2002-07-23 |