Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10480696 | Locking collar quick union connection | Roger Suter, Rajesh Krithivasan, Joseph David Gober | 2019-11-19 |
| 7530401 | Tool trap assembly and method | Max H. Smith, John Lemke | 2009-05-12 |
| 7131497 | Articulated drillstring entry apparatus and method | Charles M. Helms, Vernon E. Kauffman, John Lemke, Max H. Smith | 2006-11-07 |