Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603314 | Simultaneous current injection for measurement of formation resistance through casing | Hans-Martin Maurer | 2003-08-05 |
| 6272915 | Dual transmitter multi-capacitance flow meter | Peter W. Reittinger | 2001-08-14 |
| 4879696 | Method and apparatus for initiating seismic data storage in an isolated distributed recording system | Raul R. Montes | 1989-11-07 |
| 4807200 | Method and apparatus for gathering seismic data and selectively controlling isolated distributed recorders in an isolated distributed recording system | Raul R. Montes | 1989-02-21 |
| 4590458 | Offset removal in an analog to digital conversion system | John T. Evans | 1986-05-20 |