ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,396,390, issued on Aug. 26, was assigned to HUSQVARNA AB (Huskvarna, Sweden).
"Self-propelled robotic work tool" was invented by Martin Allard (Huskvarna, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A self-propelled robotic work tool (1) is disclosed comprising a tool chassis (3) and a number of tool support members (61, 62, 63) attached to the tool chassis (3) and being configured to abut against a ground surface (27) in a first plane (P1) during operation of the work tool (1). The work tool (1) further comprises a number of snap fit assemblies (s1-s4) and a tool body (5) attachable to the tool chassis (3) via the number of snap fit assemblie...