Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1538 | Use of coal feedstock to a coal gasification plant for removing sulfur | — | 1996-06-04 |
| 4758416 | Removal of H.sub.2 S from gas streams | Howard Lam-Ho Fong, David A. Van Kleeck | 1988-07-19 |
| 4741888 | H.sub.2 S removal from gas streams | Howard Lam-Ho Fong, David A. Van Kleeck | 1988-05-03 |
| 4496380 | Cryogenic gas plant | — | 1985-01-29 |