Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8926817 | Programmable electrophoretic notch filter systems and methods | Charles E. Witkowski, II, Jeremy L. Norris, H. Lee Martin | 2015-01-06 |
| 8656846 | Continuous real time heating value (BTU)/coal flow balancing meter | David K. Swindell, Jack Lee | 2014-02-25 |
| 7253414 | Multi-energy gamma attenuation for real time continuous measurement of bulk material | David K. Swindell, Jack Lee | 2007-08-07 |
| 7006919 | Real time continuous elemental measurement of bulk material | David K. Swindell | 2006-02-28 |