ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,394,657, issued on Aug. 19, was assigned to X-Celeprint Ltd. (Dublin).
"Transfer printing stamps and methods of stamp delamination" was invented by Ken G. Purchase (Morrisville, N.C.) and Ronald S. Cok (Rochester, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A stamp for micro-transfer printing includes a support having a support surface and posts disposed on the support surface. Each post has a proximal end in contact with the support and a distal end extending away from the support. The post has a post surface on the distal end. The post surface is a structured surface comprising spatially separated ridges that extend in a ridge direction entire...