Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321714 | Apparatus for defecating a urinal by means of foam | Souichi Takai, Yukinori Watanabe | 1982-03-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321714 | Apparatus for defecating a urinal by means of foam | Souichi Takai, Yukinori Watanabe | 1982-03-30 |