US Patent Issued to Hortech on May 20 for "Interlocking modular planting system for roof applications" (Michigan Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,302,809, issued on May 20, was assigned to Hortech Inc. (Nunica, Mich.).

"Interlocking modular planting system for roof applications" was invented by David S. MacKenzie (Nunica, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of installing a roof planter assembly includes providing first and second planter modules each including a bottom wall and a plurality of sidewalls that cooperate with the bottom wall to form an interior space adapted to receive plant matter therein, wherein at least a pair of the plurality of sidewalls cooperate to form a corner therebetween, the corner including first and second portions along a length of the corner...