Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6211120 | Application of aluminum chlorohydrate in viscosifying brine for carrying proppants in gravel packing | John C. Welch, Allen D. Gabrysch, Benn Voll, Brett Collins, Michael A. Jarrett | 2001-04-03 |
| 4245700 | Enhanced oil recovery method | Walter H. Carter | 1981-01-20 |