No take-backs.A federal judge this week held a dealership cannot revoke its offer to pay a husband and wife $15,000 plus attorney fees and expenses to settle their claim that they were sold a defective recreational vehicle.In a written order, U.S. District Judge Philip G. Reinhard rejected the argument that Collier RV Super Center Inc. in Rockford withdrew its offer before Keith and Christine Phillips accepted it.The Phillipses filed their notice of acceptance the day after Collier RV served them with a Rule 68 offer of …