US Patent Issued to Scentral Zone on March 31 for "Passive emission fragrance diffuser for personal use" (Minnesota Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,176, issued on March 31, was assigned to Scentral Zone LLC (Edina, Minn.).

"Passive emission fragrance diffuser for personal use" was invented by Christina M. Haller (Minneapolis), Rio J. Duran (Chanhassen, Minn.) and Ted E. Ahrenholtz (Minnetonka, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A passive emission fragrance delivery mechanism/diffuser assembly which includes an outer tubular housing body that carries an inner movable piston and fragrance carrier/diffusion member for selectively dispensing a non-spray fragrant emission upon axial movement of the piston within the tubular housing. The fragrance diffusion member includes a scent-...