ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,273, issued on Aug. 26, was assigned to The Original Mixing Cartridge LLC (Wauseon, Ohio).
"Tattoo ink mixing apparatus" was invented by Albert Merillat (Wauseon, Ohio) and Ryan Gipperich (Wauseon, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A tattoo ink mixing apparatus has a housing having a cavity, a plunger movable between a first position and a second position, and a dynamic member disposed in the cavity and adapted to engage with the plunger distal end. The dynamic member moves in response to movement of the plunger and alternatively creates a suction force and an expulsion force in the opening of the distal end of the housing as the p...