Issued Patents All Time
Showing 1–3 of 3 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, Hyeon Ju Lee | 2016-07-19 |
| 9261420 | Digital device and method for measuring the axial load of a torque-shear-type high strength bolt | Hyeon Ju Lee, Kang Seok Kim | 2016-02-16 |
| 6016708 | Existing strain measuring apparatus for analyzing stability of steel structure and method thereof | Woo-Bum Kim, Dong Su Park, Kyung-Jin Lee | 2000-01-25 |