Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5417288 | Hydraulic set liner hanger and method | George J. Melenyzer, George Givens | 1995-05-23 |
| 4692910 | Methods of determining lithological characteristics of an underground formation which utilize compressional velocity and shear velocity data | Carl H. Sondergeld, Albert L. Frisillo | 1987-09-08 |