Issued Patents All Time
Showing 76–77 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9581422 | Perforating gun and detonator assembly | Frank Haron Preiss, Liam McNelis | 2017-02-28 |
| 9494021 | Perforation gun components and system | David C. Parks, Frank Haron Preiss, Liam McNelis, Eric Mulhern | 2016-11-15 |