Youtube Channel!: http://www.youtube.com/user/fnfgreg
That won't happen, as a matter of fact if you hold either the new panther/raptor or old panther/raptor you should get a feat period. Not all 4. That way, everyone has a chance to get it and there wont be any "special snowflake" arguments to be had.
I farmed for both for a long time and never had any luck either. It was lame.