Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6226889 | Continuous rotary vacuum retort apparatus and method of use | Gregory G. Hawk | 2001-05-08 |
| 6143136 | Method and apparatus for physical and chemical separation and reaction | Gregory G. Hawk | 2000-11-07 |
| 6105275 | Continuous rotary vacuum retort apparatus and method of use | Gregory G. Hawk | 2000-08-22 |
| 5746987 | Apparatus for physical amd chemical separation and reaction | Gregory G. Hawk | 1998-05-05 |
| 5628969 | Chemical separation and reaction apparatus | Gregory G. Hawk | 1997-05-13 |