Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942639 | Bulky dust sweeper | Osamu Shishido, Satoru Noguchi | 1990-07-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4942639 | Bulky dust sweeper | Osamu Shishido, Satoru Noguchi | 1990-07-24 |