ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,167, issued on June 9.
"Plunger system, device and method" was invented by George L. Lee (Tulsa, Okla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A plunger for dispensing a material from a collapsible package in a package tube. The plunger includes a main wall a plurality of sectors. The sectors include a flange extending therefrom at an angle to create a plunger side configured to receive an end of the collapsible package. The sectors adjacent to each other are separated by a slot defined through the flange and the sectors. The sectors are configured to bend in relation to the main wall when a predetermined force is applied to the sectors by the...