Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694341 | Method and apparatus for measuring a weight of a stirring fluid | — | 1997-12-02 |
| 5647974 | Hexagonal molecular structure water manufacturing apparatus and a method thereof | Jin Hak Shim | 1997-07-15 |