Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601626 | Support construction of filter element in dust collecting apparatus | Yasuo Akitsu | 1997-02-11 |
| 5593471 | Dust collecting apparatus | Yasuo Akitsu | 1997-01-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601626 | Support construction of filter element in dust collecting apparatus | Yasuo Akitsu | 1997-02-11 |
| 5593471 | Dust collecting apparatus | Yasuo Akitsu | 1997-01-14 |