Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647971 | Method and apparatus for changing solvent composition in a solvent recovery system of a dewaxing apparatus | Akira Kawamura, Susumu Suzuki | 1997-07-15 |
| 5611894 | Method and apparatus for changing solvent composition in a solvent recovery system of a dewaxing apparatus | Akira Kawamura, Susumu Suzuki | 1997-03-18 |