ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,479, issued on June 16, was assigned to HEWLETT-PACKARD DEVELOPMENT COMPANY LP (Spring, Texas).
"Sublimation of printed textile media" was invented by Xavier Oliva Ventayol (Sant Cugat del Valles, Spain), Francisco Lopez Moral (Sant Cugat del Valles, Spain) and Vito Di Virgilio (Sant Cugat del Valles, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and apparatus for sublimation printing are described, in which a printed textile medium with a sublimating printing substance on a print side is positioned in correspondence with a heating device, with the print side facing away from the heating device, and a negative pressure is caused on th...