Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4451275 | Nitrogen rejection from natural gas with CO.sub.2 and variable N.sub.2 content | Harvey L. Vines | 1984-05-29 |
| 4411677 | Nitrogen rejection from natural gas | James W. Pervier, Harvey L. Vines, Michael A. Patterson | 1983-10-25 |