Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832068 | Liquid/gas bypass | James W. Larson | 1989-05-23 |
| 4829786 | Flooded evaporator with enhanced oil return means | James R. Sand | 1989-05-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832068 | Liquid/gas bypass | James W. Larson | 1989-05-23 |
| 4829786 | Flooded evaporator with enhanced oil return means | James R. Sand | 1989-05-16 |