Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9127987 | Channel, system and method for monitoring voltages | Henry Leung, Mathieu Garret Schneider, Mehdi Sadaghdar, Derek John Pyner, Mark Randall Olfert +1 more | 2015-09-08 |
| 8334801 | System and method for real-time locating | Russell Alan Fretenburg, Henry Leung, Derek John Pyner, Charles Elmer McNeill, IV, David W. A. Taylor, Jr. | 2012-12-18 |
| 7245059 | Method of exciting a piezoelectric crystal | Peter J. Lagergren | 2007-07-17 |
| 6744398 | Distancing and positioning systems and methods | Derek John Pyner, Russell Alan Fretenburg | 2004-06-01 |
| 6067039 | Systems and methods for determining the distance between two locations | Derek John Pyner, Russell Alan Fretenburg | 2000-05-23 |