Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4765892 | Sand filter media and an improved method of purifying water | James W. Currier | 1988-08-23 |
| 4578249 | Process for recovery of uranium from wet process H.sub.3 PO.sub.4 | Viswanathan Srinivasan | 1986-03-25 |
| 4456532 | Biological flocculation of mineral slimes | John F. Leslie, Randolph L. Greasham | 1984-06-26 |