Well, I'm not sure about the liveries part, but airline logos sure as heck can be.
Pan Am's globe, for one, was purchased by a seperate entity to run on PAII, first run by old PA hand Marty Shugrue. The livery happened to go with it, and it has survived to the present with PAIII.
The National sun logo also was purchased, apparently, as I saw years ago in an ad that Key Air was running charters using it. They were later bought out by World, if I'm not mistaken.