Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10865760 | Compact electromagnetic plasma ignition device | James E. Smith | 2020-12-15 |
| 10156134 | Method and apparatus for passive detection of near-surface human-scale underground anomalies using earth field measurements | James E. Smith, Roy S. Nutter, Jr., Andrew D. Lowery | 2018-12-18 |
| 10001105 | Compact electromagnetic plasma ignition device | James E. Smith | 2018-06-19 |
| 9719343 | Method and apparatus for passive detection of near-surface human-scale underground anomalies using earth field measurements | James E. Smith, Roy S. Nutter, Jr., Andrew D. Lowery | 2017-08-01 |
| 9638157 | Compact electromagnetic plasma ignition device | James E. Smith | 2017-05-02 |
| 9624898 | Compact electromagnetic plasma ignition device | James E. Smith | 2017-04-18 |
| 9551315 | Quarter wave coaxial cavity igniter for combustion engines | James E. Smith | 2017-01-24 |
| 8887683 | Compact electromagnetic plasma ignition device | James E. Smith | 2014-11-18 |
| 8783220 | Quarter wave coaxial cavity igniter for combustion engines | James E. Smith | 2014-07-22 |
| 7721697 | Plasma generating ignition system and associated method | James E. Smith | 2010-05-25 |
| 7162136 | Non-circular, mechanically variable optical attenuator | Frederick J. Nassauer, James E. Smith | 2007-01-09 |
| 6621916 | Method and apparatus for determining document authenticity | James E. Smith, Robert P. M. Craven, Kenneth E. Vance, Curtis Duhn | 2003-09-16 |
| 6437751 | Contrawound antenna | Robert P. M. Craven, James E. Smith, Larry Hawks, Roy S. Nutter, Jr. | 2002-08-20 |
| 6300920 | Electromagnetic antenna | Robert P. M. Craven, James E. Smith | 2001-10-09 |