The patent holder on the karaoke machine is Roberto del Rosario, who is through the Philippines. He designed the karaoke's sing-alongside process in 1975 and it is identified as the only real holder of a patent for just a karaoke process on the globe.[20] Later developments[edit] Cakeshop: Although more compact https://xn--939au0g6rj1ue34n9rrf5c.online/