Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969338 | Method and apparatus of producing carbon dioxide in high yields from low concentration carbon dioxide feeds | Donald L. MacLean | 1990-11-13 |
| 4952223 | Method and apparatus of producing carbon dioxide in high yields from low concentration carbon dioxide feeds | Donald L. MacLean | 1990-08-28 |