Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5458744 | Process to produce hydrogen and/or hemihydrate calcium sulphate from calcium sulphite | Murry C. Robinson, Donald W. Kirk | 1995-10-17 |
| 4323054 | Solar energy collection system | — | 1982-04-06 |