ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,557, issued on May 12, was assigned to Laccoo Outdoors LLC (Secaucus, N.J.).

"Subfloor system and methods of construction thereof" was invented by Hamza Iqbal (Ottawa) and Charbel Daoud (Arnprior, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention describes a subfloor or a split subfloor system for use in the construction of a portable deck. The proposed subfloor system can be installed without any special skill set or tools. The subfloor comprises of several footings that are arranged on the ground, at least two pre-notched beams that are placed on the footings, at least two pre-notched joists that rest perpendicularly on the pre-no...