(Portland, OR)  --  Police are releasing the identity of a motorcyclist who suffered life-threatening injuries in a crash with an SUV.  The Portland Police Bureau says 64-year-old Robert Henderson remains hospitalized following the crash on September 30th.  Police say he was riding his motorcycle north on Northeast Grand Avenue when it collided with an SUV.  The driver stayed at the scene and cooperated with police.  Investigators say it's not yet clear who had the right of way.