Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4311683 | Process for removal of hydrogen sulfide from gas streams | Robert H. Hass | 1982-01-19 |
| 4246141 | Catalyst for incinerating H.sub.2 S to SO.sub.2 | Robert H. Hass | 1981-01-20 |
| 4243647 | Process for removal of hydrogen sulfide from gas streams | Robert H. Hass | 1981-01-06 |