Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8470279 | High purity silicon-containing products and method of manufacture | Norman D. Hinman, Jerome P. Downey, Guy L. Fredrickson | 2013-06-25 |
| 4732888 | Durable zinc ferrite sorbent pellets for hot coal gas desulfurization | Mahesh C. Jha, Malcolm T. Hepworth | 1988-03-22 |