Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5538633 | Filter apparatus having a casing with improved structure for holding filter media | Kyoji Kitajima, Shunichi Nogami, Hiroaki Yamashita, Keiichi Katagiri | 1996-07-23 |