Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742586 | Apparatus for preventing erosion of wellbore components and method of fabricating same | J. Eric Lauritzen, Robert P. Badrak | 2004-06-01 |
| 6698518 | Apparatus and methods for use of a wellscreen in a wellbore | Ronnie Royer, J. Eric Lauritzen | 2004-03-02 |