Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4419337 | Process and apparatus for reacting sulphur-containing material with oxidizing gas | Richard Kerr | 1983-12-06 |
| 4280990 | High pressure process for recovery of sulphur from gases | Richard Kerr | 1981-07-28 |