Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8375774 | Scratch testing apparatus for performing scratching test while gradually increasing or decreasing load | Changsung Seok, Jongil Weon | 2013-02-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8375774 | Scratch testing apparatus for performing scratching test while gradually increasing or decreasing load | Changsung Seok, Jongil Weon | 2013-02-19 |