Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4519913 | Process for the removal and recovery of selenium from aqueous solutions | Roger A. Baldwin, Jim W. Kauffman, William C. Laughlin | 1985-05-28 |
| 4405464 | Process for the removal of selenium from aqueous systems | Roger A. Baldwin, Donald L. Terrell | 1983-09-20 |
| 4237104 | Flue gas treatment for sulfur dioxide removal | Peter Urban, William K. Tolley | 1980-12-02 |
| 4200455 | Hydrometallurgical recovery of metal values | James A. Bradbury, Richard T. Um, Frank A. Stephens, Yoon T. Auck | 1980-04-29 |
| 4197276 | Recovery of titanium metal values | William K. Tolley | 1980-04-08 |
| 4187281 | Hydrometallurgical recovery of cobalt and nickel | — | 1980-02-05 |