Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874787 | Insecticidal article for electric fumigator | Shinobu Yamamoto, Kunihiro Okada, Shiro Oyama, Yasuharu Takei | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874787 | Insecticidal article for electric fumigator | Shinobu Yamamoto, Kunihiro Okada, Shiro Oyama, Yasuharu Takei | 1989-10-17 |