Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6367552 | Hydraulically metered travel joint | Gordon K. Scott, Ralph H. Echols | 2002-04-09 |
| 6053246 | High flow rate formation fracturing and gravel packing tool and associated methods | Ralph H. Echols | 2000-04-25 |