Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4230533 | Fractionation method and apparatus | — | 1980-10-28 |
| 4183225 | Process and apparatus to substantially maintain the composition of a mixed refrigerant in a refrigeration system | Leo L. Politte | 1980-01-15 |