Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9074958 | Apparatus for measuring the degree of vacuum of a multistage vacuum heat-insulating member, and measurement method using same | Jung-Pil Han, Son Cheal Bang, Sung-Seock Hwang | 2015-07-07 |