Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7730965 | Retractable joint and cementing shoe for use in completing a wellbore | John Christopher Jordan, James G. Martens, Brent J. Lirette, Gregory G. Galloway, David J. Brunnert +2 more | 2010-06-08 |
| 7503398 | Methods and apparatus for actuating a downhole tool | Michael LoGiudice | 2009-03-17 |
| 7252152 | Methods and apparatus for actuating a downhole tool | Michael LoGiudice | 2007-08-07 |
| 5411049 | Valve | — | 1995-05-02 |