Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611925 | Hub ring and supporting plate for a filter and methods for manufacturing these members | Keiichi Murakami | 1997-03-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5611925 | Hub ring and supporting plate for a filter and methods for manufacturing these members | Keiichi Murakami | 1997-03-18 |