The patent holder in the karaoke machine is Roberto del Rosario, that is from your Philippines. He designed the karaoke's sing-alongside process in 1975 and is particularly regarded as the only holder of the patent for the karaoke procedure on the earth.[twenty] Afterwards developments[edit] Cakeshop: While smaller sized than a https://xn--939au0g6rj1ue34n9rrf5c.online/