Two of Samsung’s biggest releases this year will undoubtedly be the Galaxy S5 and the Galaxy Note 4, but we still haven’t seen any official images of the devices. Although the Galaxy S5 is rumored to be revealed this quarter, it could still be months before Samsung is ready to actually launch the fifth-generation hero phone, and even longer before we see signs of the Note 4 phablet. Thankfully, we have concepts to tide us over in the meantime. On the very last day of 2013, the USPTO published two patents containing designs that could theoretically be applied to the upcoming handsets, and concept designers Ivo Maric and Jermaine Smit have already mocked up the Galaxy S5 and Note 4