Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593577 | Filter having internally threaded cover non-rotatably mounted to casing of the filter | Koji Imai, Toshiya Wakahoi, Hiromitsu Adachi, Keiichi Terada, Hiroaki Yamashita | 1997-01-14 |