Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836032 | Method of determining the quality of steam for stimulating hydrocarbon production | Sze-Foo Chien, Peter L. Sigwardt | 1989-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836032 | Method of determining the quality of steam for stimulating hydrocarbon production | Sze-Foo Chien, Peter L. Sigwardt | 1989-06-06 |