1978 – “Chiritori” Remote Control Vacuum Cleaner by Nintendo – Gunpei Yokoi (Japanese)
US Patent Information: Publication number US4306329 A Publication date Dec 22, 1981 Filing date Oct 5, 1979 Inventors Gunpei Yokoi Original Assignee Nintendo Co., Ltd. Self-propelled cleaning device with wireless remote-control Abstract A self-propelled cleaning device with wireless remote control includes a body, a driving device on the body for moving the same rotatably about …
Read More “1978 – “Chiritori” Remote Control Vacuum Cleaner by Nintendo – Gunpei Yokoi (Japanese)”