Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601406 | Methods and apparatus for high propane recovery | John Mak, Richard B. Nielsen | 2003-08-05 |
| 4272269 | Cryogenic expander recovery process | James D. Hammond | 1981-06-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601406 | Methods and apparatus for high propane recovery | John Mak, Richard B. Nielsen | 2003-08-05 |
| 4272269 | Cryogenic expander recovery process | James D. Hammond | 1981-06-09 |