ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,920, issued on July 21, was assigned to KALPANA TECHNOLOGIES B.V. (Rotterdam, Netherlands).

"Roll-to-roll processing" was invented by Diederick Adrianus Spee (Rotterdam, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system for roll-to-roll deposition is described wherein the system comprises a substrate transport system comprising a static elongated central cylinder for helical transport of a flexible substrate arranged around the cylinder, the cylinder comprising bearing structures arranged in or arranged on the surface of the cylinder for frictionless or low-friction transport of the flexible substrate over the surface of the centra...