Advanced Card Technologies Patents
U.S. Patent No. 5,921,584 (PDF file)
U.S. Patent No. 5,720,158 (PDF file)
U.S. Patent No. 7,188,762 (PDF file)
U.S. Patent No. 5,921,584 (PDF file)
U.S. Patent No. 5,720,158 (PDF file)
U.S. Patent No. 7,188,762 (PDF file)