ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,780, issued on Sept. 30, was assigned to TIETEX INTERNATIONAL LTD. (Spartanburg, S.C.).
"Roofing material and related method" was invented by Martin Wildeman (Spartanburg, S.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A roofing material including a bitumen or other hot melt coating disposed across a base sheet of stitch-bonded fabric incorporating a blend of standard and bi-component polyester staple fibers stitch-bonded with a plurality of parallel stitch lines of stitching yarn running in the machine direction. The bicomponent fibers may be heat activated and cooled prior to application of the hot melt coating thereby providing dimensional ...