ALEXANDRIA, Va., March 26 -- United States Patent no. 12,256,825, issued on March 25.
"Stick product refill system" was invented by Kin Ming Kevin Chan (Kowloon Bay, Hong Kong).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for refilling a dispenser includes a refill assembly having refill base, a refill stick receptacle and a refill cover, and a dispenser having a dispenser stick receptacle a stick receptacle carrier and a propel-repel mechanism for longitudinally advancing and retracting the stick receptacle carrier within the dispenser. The dispenser stick receptacle is configured to be replaced by the refill stick receptacle by (1) removing the refill base from the refill cover with the refill st...