Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5267617 | Downhole tools with inflatable packers and method of operating the same | John T. Lembcke | 1993-12-07 |
| 5095979 | Apparatus for operating a downhole tool using coil tubing | — | 1992-03-17 |
| 5092402 | Tubing end locator | John T. Lembcke | 1992-03-03 |
| 4762175 | Apparatus for connecting jars to a downhole tool | — | 1988-08-09 |