US Patent Issued to Integrated Plastics on Sept. 30 for "Underground handhole box having an outer cavity wall" (Michigan Inventor)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,697, issued on Sept. 30, was assigned to Integrated Plastics LLC (Fremont, Mich.).

"Underground handhole box having an outer cavity wall" was invented by Donald James Noordyk (Fremont, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An in-ground utility enclosure includes an outer wall. An inner wall is coupled to the outer wall to define a cavity therebetween. The outer wall and the inner wall cooperate to define a bottom opening and a seat that defines a top opening. An internal grid is disposed within the cavity and extends between the outer wall and the inner wall. A cap is selectively disposed on the seat and selectively occupies the top ...