Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9393679 | Wrench socket for automatically marking high tension bolt, and method for tightening high tension bolt using same | Kang Seok Kim, Yong Seung Lee, Hwan Seon Nah | 2016-07-19 |
| 9261420 | Digital device and method for measuring the axial load of a torque-shear-type high strength bolt | Hwan Seon Nah, Kang Seok Kim | 2016-02-16 |