Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5343949 | Isolation washpipe for earth well completions and method for use in gravel packing a well | Colby M. Ross, Timothy F. LaBruyere | 1994-09-06 |
| 5343953 | Through-tubing recirculating tool assembly for well completions | Tommy Frank Grigsby | 1994-09-06 |