EOG8PVRCF IPR020683 74/98 EOG8PVRCF IPR002110 74/98 EOG8PVRCF IPR005821 60/98 EOG8PVRCF IPR002153 4/98 EOG8PVRCF IPR002018 1/98 EOG8PVRCF IPR000814 1/98 EOG8PVRCF IPR004204 1/98