12/30/08 : N-400 mailed to Texas Service Center.
01/02/09 : USPS mail delivered
01/08/09 : Check cashed
01/09/09 : NOA received.
01/15/09 : FP notice received.
01/15/09 : FP completed.
03/18/09 : Interview letter
05/13/09 : Interview date (passed)
05/13/09 : Oath letter
06/05/09 : Oath date
06/05/09 : PP applied (Expedited)
06/12/09 : PP received