Apple is asking the International Trade Commission for a stay on an upcoming August 5 ban of older iPhone and iPad models. The ITC ruled in June that Apple violated a Samsung patent, and issued an import ban on GSM versions of the iPhone 4, iPhone 3GS, iPhone 3G, and cellular first- and second-generation iPads. Apple is arguing that the ban will harm both the company and its carrier partners, even though the company previously stated the decision…