Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6619388 | Fail safe surface controlled subsurface safety valve for use in a well | Wesley P. Dietz, Robert Arthur Rademaker, Bruce Edward Scott | 2003-09-16 |
| 6516882 | Apparatus and method for gravel packing an interval of a wellbore | David A. Hejl, Travis Hailey | 2003-02-11 |