Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4236901 | Air cleaner with secondary air filter element | Yasutosi Kato, Hideo Kamo, Tadashi Ogawa, Kazuhiko Ito, Tatsuo ASAI | 1980-12-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4236901 | Air cleaner with secondary air filter element | Yasutosi Kato, Hideo Kamo, Tadashi Ogawa, Kazuhiko Ito, Tatsuo ASAI | 1980-12-02 |