Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332774 | Manufacture of hydrogen sulfide | Ian Drum, Richard S. Madenburg, Douglas M. Paulsrude, Frank G. Turpin, Gerry A. Wheatcroft | 1982-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4332774 | Manufacture of hydrogen sulfide | Ian Drum, Richard S. Madenburg, Douglas M. Paulsrude, Frank G. Turpin, Gerry A. Wheatcroft | 1982-06-01 |