There are often numerous blind spots at home such as under a cabinet and a sofa, which causes a great difficulty when cleaning. In addition, these spots are particularly difficult for elders or pregnant women to clean up. Therefore, we have applied the elastic theory to design the cleaning device which can roll to stick dust or stains and roll back automatically.
Korea Intellectual Property Service Center 17F, 131 Teheran-ro, Gangnam-gu, Seoul, Republic of Korea 06133
TEL : +82-2-3459-2843 / 2924 EMAIL : siif@kipa.org