Grantwood Technology has announced the release of its QuickFlipCase for iPhone and iPhone 3G. The QuickFlipCase is a horizontal leather case featuring contrast stitching, a permanent belt clip, a magnetic closure for the lid, open access to the iPhone’s headphone jack, sleep/wake button, speaker, and microphone, and a center push-up hole for easier removal of the device. The Grantwood Technology QuickFlipCase for the iPhone and iPhone 3G…