Errata "All reference to Patent No. 5,634,509 to Jerry E. Trickel, et al., of Texas, for METHOD FOR CASTING SMALL PARTS FROM MATERIALS THAT EXPAND WHEN TRANSITIONING FROM THE LIQUID TO THE SOLID STATE appearing in the Official Gazette of June 3, 1997, should be deleted since no patent was granted." "All reference to Patent No. 5,692,131 to Arlene M. Vance, et al., of Texas, for SYSTEM FOR CORPORATE TRAVEL PLANNING AND MANAGEMENT appearing in the Official Gazette of November 25, 1997, should be deleted since no patent was granted." "All reference to Patent No. 5,695,006 to Masahiro Usui, et al., of Japan, for HEAT DISSIPATION UNIT FOR CROSS FLOW TYPE COOLING TOWER AND PROCESS FOR MAKING THE SAME appearing in the Official Gazette of December 9, 1997, should be deleted since no patent was granted." "All reference to Patent No. 5,697,395 to Gary Spencer-Purvis, of Great Britain, for LINK APPARATUS appearing in the Official Gazette of December 16, 1997, should be deleted since no patent was granted." "All reference to Patent No. 5,698,709 to Douglas C. Rhubright, of Ohio, for ALKYLATION OF AROMATIC AMINES USING HETEROPOLY CATALYST appearing in the Official Gazette of December 16, 1997, should be deleted since no patent was granted."