ALEXANDRIA, Va., April 9 -- United States Patent no. 12,270,631, issued on April 8, was assigned to MANUFACTURING COST CALCULATION (MCCAB) AKTIEBOLAG (Namndemansgatan, Sweden).
"Personal security device" was invented by Leif Bulow (Lund, Sweden), Richard Palmqvist (Svalov, Sweden) and Jonas Hellberg (Stockholm).
According to the abstract* released by the U.S. Patent & Trademark Office: "A personal security device (100), comprising: a base body (110) forming a chamber (110), wherein a first opening (140) of the chamber (110) is sealed by a film (190); a safety liquid provided in the chamber (110); and a cover body (200) movably attached to the base body (100). Wherein the cover body (200) comprises a first surrounding portion (210) circums...