Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6344077 | Aqueous cellulose solution and rayon fiber produced from the same | — | 2002-02-05 |
| 6103783 | Elastic water-permeable concrete composition, formulation method therefor, elastic water-permeable concrete structure formed of the composition, and method for constructing the structure | — | 2000-08-15 |
| 5621037 | Rubber solution and rubber concrete using the same | Kyung Ho Chung | 1997-04-15 |
| 5530766 | Noise reducing apparatus of a cyclo-fan | Young-Dawn Bae | 1996-06-25 |
| 5271483 | Apparatus for lifting false floor in swimming pool | — | 1993-12-21 |