EOG83R61P IPR020846 79/97 EOG83R61P IPR016196 79/97 EOG83R61P IPR011701 77/97 EOG83R61P IPR000849 32/97 EOG83R61P IPR011583 2/97 EOG83R61P IPR017853 2/97 EOG83R61P IPR001223 2/97 EOG83R61P IPR002557 1/97 EOG83R61P IPR006611 1/97