ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,520,982, issued on Jan. 13, was assigned to Dyson Technology Ltd. (Malmesbury, Great Britain).
"Autonomous surface treatment apparatus" was invented by Edward Richard Oldfield (Swindon, Great Britain), Mark Stamford Vanderstegen-Drake (Gloucester, Great Britain) and Ketan Patel (Swindon, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An autonomous surface cleaning apparatus includes a body defining a generally planar front surface, a drive system carried by the body and configured to move the autonomous surface cleaning apparatus across a surface, a cleaning assembly disposed at a front of the body, a rechargeable battery system, and charg...