ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,900, issued on July 1, was assigned to TOOLBRO INNOVATORS LLC (Vernon, Conn.).
"Block configuration" was invented by Philip J. Bahler (Vernon, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A mold for a configuration of a paver block layer, having: a mold outer boundary that defines a rectangular or square shape, and within the mold outer boundary, the mold defines block shaped cavities that include: square block cavities, each having a first cavity area; small block cavities, each having a second cavity area that is smaller than first cavity area; large block cavities, each having a third cavity area that is larger than the first cavity area, ...