Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338709 | Multi-position sleeve assembly, systems, and methods for use in a wellbore | Sean Goodwin, Per Angman | 2025-06-24 |
| 11952858 | Isolation tool and methods of use thereof | Per Angman, Mark Andreychuk | 2024-04-09 |
| 8561687 | Pressure containment devices and methods of using same | Daryl Moore, Tom Brocklebank | 2013-10-22 |
| 7532710 | Systems and methods for providing voicemail services | Edward J. Caputo, Steven C. Johnson | 2009-05-12 |
| 7177406 | Systems and methods for providing portable voicemail services | Edward J. Caputo, Steven C. Johnson | 2007-02-13 |