Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805618 | Oviduct closing apparatus | Yasuhiro Ueda, Isao Nagai, Naruto Shinkai, Masaaki Nakazawa | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805618 | Oviduct closing apparatus | Yasuhiro Ueda, Isao Nagai, Naruto Shinkai, Masaaki Nakazawa | 1989-02-21 |