Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9061234 | Gas filter assemblies and methods for filtering gases | — | 2015-06-23 | $18,883,000 |
| 7879123 | Inertial separator | Allan R. Thomas | 2011-02-01 | $16,163,000 |
| 6152978 | Soot filter | — | 2000-11-28 | $24,531,000 |
| 5520903 | Method of making lithium metal oxide cathode active material | On K. Chang | 1996-05-28 | |
| 5133880 | Fluid purifier and method for purifying fluid contaminated with a volatile contaminant | Mark R. Christy | 1992-07-28 | $8,249,000 |