Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673760 | Perforating gun including a unique high shot density packing arrangement | James E. Brooks, Jack F. Lands, Jr., Jorge E. Lopez de Cardenas, Robert A. Parrott | 1997-10-07 |
| 4984520 | Enclosed perforating gun with expendable carrier | Cliff L. Aseltine | 1991-01-15 |
| 4960171 | Charge phasing arrangements in a perforating gun | Robert A. Parrott | 1990-10-02 |
| 4744424 | Shaped charge perforating apparatus | Jack F. Lands, Jr. | 1988-05-17 |