The opinion in support of the decision being entered today was not written for publication and is not binding precedent of the Board. Paper No. 18 UNITED STATES PATENT AND TRADEMARK OFFICE ____________ BEFORE THE BOARD OF PATENT APPEALS AND INTERFERENCES ____________ Ex parte ANDREW E. GRUBER and MARK A. SPRAGUE ____________ Appeal No. 2001-0529 Application No. 08/846,600 ____________ ON BRIEF ____________ Before BARRETT, BARRY, and LEVY, Administrative Patent Judges. BARRY, Administrative Patent Judge. DECISION ON APPEAL A patent examiner rejected claims 1, 3-9, 19, and 22. The appellants appeal therefrom under 35 U.S.C. § 134(a). We affirm. BACKGROUND The invention at issue on appeal concerns displaying three-dimensional objects. Video graphics circuits have evolved from providing text and two-dimensional images to providing three-dimensional images. Such evolution began with high-end computers, such as work stations, using "texture mapping." Texture mapping allows a rendering system to map a two-dimensional image (i.e., a texture map) onto a three-dimensionalPage: 1 2 3 4 5 6 7 8 9 10 11 12 NextLast modified: November 3, 2007