Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6911752 | Concatenated motor assembly | Stephen M. Breit | 2005-06-28 |
| 6468058 | Submersible concatenated system | Stephen M. Breit | 2002-10-22 |
| 4664819 | Proppant charge and method | David R. Underdown | 1987-05-12 |
| 4564459 | Proppant charge and method | David R. Underdown | 1986-01-14 |
| 4443347 | Proppant charge and method | David R. Underdown | 1984-04-17 |