Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5183113 | Down-hole decelerators | Robert J. Smith | 1993-02-02 |
| 5048619 | Down-hole bearing assemblies | David P. McRobbie | 1991-09-17 |
| 5047635 | Down-hole probe assemblies | Keith Lathan | 1991-09-10 |
| 4974691 | Down-hole bearing assemblies | David P. McRobbie | 1990-12-04 |
| 4855870 | Assemblies for supporting electrical circuit boards within tubes | Michael K. Russell, Donald L. Wesenberg | 1989-08-08 |
| 4694555 | Assemblies for supporting electrical circuit boards within tubes and method of using same | Michael K. Russell, Donald L. Wesenberg | 1987-09-22 |