Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251440 | Control apparatus and method for automatically controlling a hydraulic system for heavy construction equipment | Jo Jang-ug, Jeong Sang-tae, Lee Chan-hee, Song Myeong-hun, Lee Jin-han | 1993-10-12 |