US Patent Issued to AIL International on July 28 for "Structural plates and methods of constructing arch-shaped structures using structural plates" (Canadian Inventors)

ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,680, issued on July 28, was assigned to AIL International Inc. (Sackville, Canada).

"Structural plates and methods of constructing arch-shaped structures using structural plates" was invented by Michael W. Wilson (Sackville, Canada) and Wayne W. Ford (Moncton, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A buried structure. The buried structure includes a pair of structural plates having corrugations extending transversely along a longitudinal direction of the buried structure, and a taper member configured to interconnect, via circumferential taper member edges, the pair of structural plates along respective circumferential structural plat...