Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618425 | Filtering apparatus with a pleated filtering element embedded in a filling material | Hidetaka Nakayama | 1997-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618425 | Filtering apparatus with a pleated filtering element embedded in a filling material | Hidetaka Nakayama | 1997-04-08 |