Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7221137 | Apparatus with storage for measuring stray currents from subway rails and power lines | Dae Kyeong Kim, Tae Hyun Ha, Hyun Goo Lee, Yun Ha | 2007-05-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7221137 | Apparatus with storage for measuring stray currents from subway rails and power lines | Dae Kyeong Kim, Tae Hyun Ha, Hyun Goo Lee, Yun Ha | 2007-05-22 |