Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609487 | Audio visual karaoke system using audio cassette | Djunedhi Listyono, Ketut Wihardika, Markus S. B. Sutikno, Ariffin Setawidjaja | 1997-03-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609487 | Audio visual karaoke system using audio cassette | Djunedhi Listyono, Ketut Wihardika, Markus S. B. Sutikno, Ariffin Setawidjaja | 1997-03-11 |