Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349765 | Excavator for constructing underground continuous wall and construction method using the excavator | Katsumi Kitanaka | 1994-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349765 | Excavator for constructing underground continuous wall and construction method using the excavator | Katsumi Kitanaka | 1994-09-27 |