Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5558171 | Well drilling process and clay stabilizing agent | Frank B. Woodworth | 1996-09-24 |
| 5189012 | Oil based synthetic hydrocarbon drilling fluid | Arvind D. Patel, Roger D. Bleier, H. N. Brinkley | 1993-02-23 |
| H1000 | Water based synthetic hydrocarbon drilling fluid and spotting fluid | Arvind D. Patel | 1991-12-03 |