Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550322 | Hydraulic strain sensor | Matthew Sweetland | 2003-04-22 |
| 6550538 | Communication with a downhole tool | Wolfgang Herrmann, Kenneth R. Goodman, Vladimir Vaynshteyn | 2003-04-22 |
| 6389890 | Hydraulic strain sensor | Matthew Sweetland | 2002-05-21 |
| 5010958 | Multiple cup bridge plug for sealing a well casing and method | Dale Meek | 1991-04-30 |