A suspected drunken driver accused of leading police on a nearly hour-long chase through Vista and Oceanside and ramming a patrol car pleaded not guilty Friday to numerous charges, including assault on a police officer.Feggin Christopher Conners, 48, faces up to seven years in prison if convicted, said Deputy District Attorney Elisabeth Silva. Conners was ordered held on $50,000 bail.An officer saw Conners driving erratically while talking on a cell phone in the 1900 block of South Coast Highway in Oceanside and tried to pull him over shortly after 2 a.m. Wednesday, Oceanside police Lt. Leonard Mata said.Conners refused to yield and fled, eventually entering Vista, where he drove his Toyota sedan over a police spike strip, Mata said. Although his tires were flattened, Conners continued fleeing for a time, stopped, then threw the vehicle into reverse and backed into an Oceanside police squad car, he said. No injuries were reported.Conners also crashed the Toyota into several parked vehicles before finally stopping in the 1600 block of Marbella Drive in Vista, Mata said.The defendant faces two felony counts of assault on an officer and one felony count of evading arrest. He is also charged with misdemeanor DUI and driving without a license.Conners will be back in court Aug.1 for a readiness conference and Aug. 3 for a preliminary hearing.