Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339868 | Bent pipe having sectional form of high strength | Hisashi Naoi, Tetsuo Nagasaka, Yoichi Matsubara, Masaaki Takagishi, Seiichi Akizawa | 1994-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5339868 | Bent pipe having sectional form of high strength | Hisashi Naoi, Tetsuo Nagasaka, Yoichi Matsubara, Masaaki Takagishi, Seiichi Akizawa | 1994-08-23 |