Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9339760 | Methods and apparatuses for removal of hydrogen sulfide and carbon dioxide from biogas | Quan-Bao Zhao, Anping Jiang, Craig Frear, Stephen W. Dvorak | 2016-05-17 |
| 6512853 | Method and apparatus for compressing digital image data | Jonathan Kennedy, Simon Kennedy, David Earl Marshall | 2003-01-28 |