Roberto del rosario year invented
Roberto Legaspi del Rosario (June 7, – July 30, ) was a Filipino entrepreneur; best known as the patentholder of the Sing-Along System, a type of karaoke appliance he developed in From his entrepreneurial initiative to patent a karaoke system first, he frequently, albeit arguably, became See more.
Why did roberto del rosario invented karaoke
Roberto Legaspi del Rosario (June 7, – July 30, ) was a Filipino entrepreneur; best known as the patentholder of the Sing-Along System, a type of karaoke .
Roberto del rosario awards
Roberto del Rosario was born in Pasay City, Philippines, on June 7, , the son of Teofilo del Rosario and Consolacion Legaspi.
Roberto del rosario picture
Roberto del Rosario is the president of the Trebel Music Corporation and the inventor of the Karaoke Sing Along System in Roberto del Rosario has patented more .