Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321714 | Apparatus for defecating a urinal by means of foam | Souichi Takai, Yukinori Watanabe | 1982-03-30 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4321714 | Apparatus for defecating a urinal by means of foam | Souichi Takai, Yukinori Watanabe | 1982-03-30 |