Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7299139 | Measuring gas meter and volume corrector accuracy | Roman Leon Artiuch, Miguel D. Gandara | 2007-11-20 |
| 5467083 | Wireless downhole electromagnetic data transmission system and method | William J. McDonald, Gerard T. Pittard, Karl F. Kiefer, Terry P. Clifton, Curtis E. Leitko, Jr. | 1995-11-14 |