Blue chip companies have a tradition of dividend growth, however non blue chip companies like Whiting USA Trust (NYSE: WHX) can also provide a regular “paycheck” for retirees looking for guaranteed investment cash flow.Whiting USA Trust is subsidiary of Whiting Petroleum Corporation (NYSE: WLL), an oil and gas firm that operates in the Rocky Mountains, Gulf Coast and Midwest of the United States.WLL owns a good deal of land and WHX lets the company retain the property with a minimal tax impact to Whiting Petroleum...........