Brevetto Immagine N° brevetto Nome brevetto Tipo di brevetto Data di disponibilità --- Data di scadenza Verificato ZL201830075233.7 On Live show voice sound audio device APPEARANCE_DESIGN 2018-02-26 ~ ZL201830075233.7 live show sound card device APPEARANCE_DESIGN 2018-02-26 ~ ZL201930305423.8 handheld microphone APPEARANCE_DESIGN 2019-06-12 ~ ZL201930034004.5 Voice changer APPEARANCE_DESIGN 2019-01-21 ~ ZL201930082808.02 Voice changer APPEARANCE_DESIGN 2019-02-28 ~ ZL201930305847.4 voice amplifier speaker APPEARANCE_DESIGN 2019-06-12 ~ ZL201830610911.5 microphoneK700 APPEARANCE_DESIGN 2018-10-30 ~ Ricerca e sviluppo There is/are 11 - 20 People R&D Engineer(s) in the company.