Issued Patents 1994
Showing 1–1 of 1 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, Dhirajlal C. Patel | 1994-09-06 |
Showing 1–1 of 1 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, Dhirajlal C. Patel | 1994-09-06 |