Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9389059 | Apparatus and method for measuring length of pipe | Jun Tae Kim, Seung Hwan Jung, Sang-Chul Youn, Duck Gu Jeon | 2016-07-12 |
| 8326572 | Apparatus and method for measuring length of pipe | Jun Tae Kim, Seung Hwan Jung, Sang-Chul Youn, Duck Gu Jeon | 2012-12-04 |