Appeal No. 2005-2512 Reexamination Control No. 90/006,431 When a user utilizes the zoom-in button of display buttons 1404, a rectangle appears in reference window 1412 to identify the location of the portion of the chip layout which as currently being displayed in the chip layout display window 1406. Id. at col. 12, ll. 53- 60. 11Page: Previous 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 NextLast modified: November 3, 2007