Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6175599 | Method and apparatus for transmitting and receiving digital data over a bandpass channel | David L. Lyon, Chanchai Poonpol, Michael A. Montgomery | 2001-01-16 |
| 5838727 | Method and apparatus for transmitting and receiving digital data over a bandpass channel | David L. Lyon, Chanchai Poonpol, Michael A. Montgomery | 1998-11-17 |
| 5736936 | Method and apparatus for predicting peak voltage of a cable conveyed tool | Bart Bombay, Marvin W. Rasmussen, Lloyd Douglas Clark, Terry L. Mayhugh, Guy Vachon | 1998-04-07 |
| 5483232 | Method and apparatus for predicting peak voltage of a cable conveyed tool | Lloyd Douglas Clark, Terry L. Mayhugh, Guy Vachon | 1996-01-09 |