ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,477, issued on Feb. 3.
"Construction packer" was invented by Jacob Wajsman McArthur (Dandenong South, Australia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A construction packer comprising a base part including a base shim and a wall component extending substantially perpendicular to the base shim, the wall component having a first interlocking feature; and a stacking shim configured to be placed on top of the base shim and having a second interlocking feature provided at an edge thereof that engages with the first interlocking feature to provide an assembled construction packer."
The patent was filed on Sept. 28, 2021, under Application No. 18/2...