Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8727253 | Three roll mill | — | 2014-05-20 |
| 5758255 | Opposite phase entrainment reduction in solvent extraction/electrowinning circuits by addition of water soluble cationic polymers | E. Michael Kerr | 1998-05-26 |
| 4279644 | Recovery of silver from photographic processor effluents | Lawrence B. Friar | 1981-07-21 |