Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6787762 | Time dispersive spectrometer using digital switching means | William F. Siems | 2004-09-07 |
| 6580068 | Method and apparatus for time dispersive spectroscopy | William F. Siems | 2003-06-17 |
| 6407143 | Method and solvent composition for regenerating an ion exchange resin | William R. Even, Jr., David J. Irvin, Jennifer A. Irvin, Gilbert M. Brown, James C. Wang | 2002-06-18 |