ALEXANDRIA, Va., July 14 -- United States Patent no. 12,677,864, issued on July 14.
"Keyhole fill plate for vertical multi-tamping cigarette herb filling system and method" was invented by Mitchell Aaron Wagner (Watsonville, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for making cigarettes has a plate on pegs holding paper rolls, a cover plate having second holes matching the holes in the holder plate, the cover plate engaging alignment pegs, a fill tray having third holes having a common diameter larger than the diameter of the second holes, the fill tray having keyhole corner openings engaging the alignment pegs allowing a range of lateral positions one of which is a closed position ...