ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,109, issued on Feb. 10.
"Support structure for installing ceiling plate" was invented by Bang Woo Lee (Cheongju-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a support structure for installing a ceiling plate, and a configuration of the present invention includes a hanging member 110 that is fixed under a slab of a ceiling; a ceiling plate support bar 120 that is provided with a pair of mounting parts on both sides of a center and a channel 122 provided at a lower portion; and a hammer bolt 130 that is fastened to the ceiling plate support bar 120."
The patent was filed on Jan. 17, 2...