Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244814 | Floss separator | Kunihiko Matsumura, Mitsuyoshi Fukauchi, Yumitoyo Utsunomiya | 1981-01-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4244814 | Floss separator | Kunihiko Matsumura, Mitsuyoshi Fukauchi, Yumitoyo Utsunomiya | 1981-01-13 |