Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12091326 | Method for producing manganese(II) sulfate monohydrate from by-product of zinc refining process | Min Ji KIM | 2024-09-17 |
| 5279610 | Oroesophageal, instrument introducer assembly and method of use | Edwin E. Macatangay | 1994-01-18 |