Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673652 | Method of testing and reconditioning insulating tubular conduits | David M. McStravick, David M. Anderson | 1987-06-16 |
| 4624485 | Insulating tubular conduit apparatus | David M. McStravick | 1986-11-25 |
| 4582349 | Plastically deformed seals in downhole tools | David M. McStravick, Everett H. Smith | 1986-04-15 |
| 4566495 | Concentric walled conduit for a tubular conduit string | John R. Baker, David M. McStravick | 1986-01-28 |
| 4509599 | Gas well liquid removal system and process | David M. McStravick | 1985-04-09 |
| 4480371 | Method of making insulated tubular conduit | David M. McStravick | 1984-11-06 |
| 4444420 | Insulating tubular conduit apparatus | David M. McStravick | 1984-04-24 |
| 4396211 | Insulating tubular conduit apparatus and method | David M. McStravick | 1983-08-02 |