ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,472,762, issued on Nov. 18.
"Sublimation of a multi-layer item" was invented by Nicholas James Gilson (Lewisburg, Pa.) and Austin Robert Royer (New Berlin, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A sublimation device, for transferring ink from a sheet to a multi-layered workpiece, includes: a first membrane; a vacuum device to produce a vacuum to draw the first membrane against the sheet to draw the sheet against the multi-layered workpiece; a heating mechanism comprising at least one energy source to heat the ink and at least a first surface of the multi-layered workpiece to at least a sublimation temperature of the ink while the sheet is dr...