Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8342436 | Pulverizing screw, pulverizing casing and pulverizer for food waste treatment apparatus having the same | Sang Gu Sim, Dong Hun Lee | 2013-01-01 |
| 8191811 | Pulverizing screw, pulverizing casing and pulverizer for food waste treatment apparatus having the same | Sang Gu Sim, Dong Hun Lee | 2012-06-05 |