Roberto Del Rosario
| Use attributes for filter ! | |
| Born | Pasay |
|---|---|
| Philippines | |
| Nationality | Philippine |
| Spouse | Eloisa Beltran |
| Notable work | Sing Along System (SAS) |
| Organizations | Trebel Music Corporation |
| Known for | Patentholder for the karaoke machine |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1005711 |
About Roberto Del Rosario
Roberto L. del Rosario is a Filipino entrepreneur who served as the president of the Trebel Music Corporation. He is also the patent holder of the Sing Along System, a karaoke system he developed in 1975.