By physical transfer from a donor sheet having an uniform coating of

Official title: {by physical transfer from a donor sheet having an uniform coating of lithographic material using thermal means as provided by a thermal head or a laser; by mechanical pressure, e.g. from a typewriter by electrical recording ribbon therefor}

B41C1/1091 (By physical transfer from a donor sheet having an uniform coating of) appears on 67 US grants and 31 published applications in this corpus.