Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10344481 | Self-cleaning gutter system | — | 2019-07-09 |
| 10218293 | Piezoelectric harvesting system using repulsion force | Tae Hyun Sung, Hyun Jun Jung, Ki-Hwan BAEK, Chan Ho Yang | 2019-02-26 |