Apple Inc.’s (AAPL-Q383.589.862.64%) increasingly effective patent war against rivals like Samsung Electronics may mask its real target: arch-foe Google Inc. (GOOG-Q526.866.821.31%) The maker of the iPad and iPhone has sued three of the largest manufacturers of Google’s Android-based devices – Samsung, Motorola and HTC – for multiple patent infringements across multiple countries, pointing out “slavish copying” of design and “look and feel.”