Inventor

RIISE BJOERN

SE3 patents

Patents

3 patents

US5940927AAug 24, 1999

Autonomous surface cleaning apparatus

ELECTROLUX AB333 citations97

US5781960AJul 21, 1998

Nozzle arrangement for a self-guiding vacuum cleaner

ELECTROLUX AB266 citations97

US5935179AAug 10, 1999

System and device for a self orienting device

ELECTROLUX AB298 citations93