Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8359657 | Method and apparatus for enabling secure distribution of digital content | Robert Keith Mykland, Lee H. Kasper | 2013-01-22 |
| 5782297 | Retrieval tool for back pressure valve and tree test plug | Bashir M. Koleilat, David Cain, John Robert Herold, Neil Crawford, Henry Wong | 1998-07-21 |
| 5474124 | Wellhead retrieval tool assembly | Bashir M. Koleilat, David Cain, John Robert Herold, Neil Crawford | 1995-12-12 |