Appeal No. 1997-3434 Application No. 08/307,075 in the specification) demonstrates the propriety of representing conventional computing circuitry as a labeled box. See U.S. Patent No. 5,171,998, Fig. 1, circuit 40. . . . 9Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 NextLast modified: November 3, 2007