Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348131 | Welded structure having improved mechanical strength and process for making same | Toshimi Matsumoto, Hiroshi Sato, Tsutomu Onuma, Seishin Kirihara | 1982-09-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348131 | Welded structure having improved mechanical strength and process for making same | Toshimi Matsumoto, Hiroshi Sato, Tsutomu Onuma, Seishin Kirihara | 1982-09-07 |