Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8528911 | Empty shell recovery device | In Gyu Oh, Byoung-jin Lee, Hyeok Jun Oh, Sang Duk Kim | 2013-09-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8528911 | Empty shell recovery device | In Gyu Oh, Byoung-jin Lee, Hyeok Jun Oh, Sang Duk Kim | 2013-09-10 |