ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,298, issued on April 15, was assigned to ROTOFAST INC. (Sydney, Canada).
"Fastener device and method for attaching polyester fiber panels to a substrate" was invented by MacDonald Joseph Gillis (Sydney, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and fastening device for attaching polyester fiber panels to a substrate, such as a wall or a ceiling. The fastening device comprises an anchor part for attachment to the substrate and a fastening part for attachment to the panel. The fastening part comprises a cylindrical portion, a helical member surrounding the cylindrical portion for penetrating the panel upon rotation of the helical m...