Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10350476 | Screen baseball system including screen shutter | Seung Jin Lee, Hyoung Gon Kim | 2019-07-16 |
| 10166482 | Method of operating screen baseball system | Seung Jin Lee, Hyoung Gon Kim | 2019-01-01 |