Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9777391 | Purification methods and systems for contaminated liquids and mineral slurries | Randolph Edward Seligmann | 2017-10-03 |
| 6608670 | Laser verification and authentication raman spectrometer (LVARS) detecting the stokes and/or anti-stokes emission | James A. Kirchoff, Jonathan N. Lucke, John F. Pollard | 2003-08-19 |
| 6275285 | Laser verification and authentication Raman spectrometer (LVARS) detecting the stokes and/or anti-stokes emission | James A. Kirchoff, Jonathan N. Lucke | 2001-08-14 |
| 6008888 | Laser verification and authentication Raman spectrometer (LVARS) | James A. Kirchoff, Jonathan N. Lucke | 1999-12-28 |