An Apple patent published yesterday by the USPTO and unearthed by Patently Apple is a reminder that Apple was actually working on wearable tech in the form of content-delivery glasses, at least on paper, long before Google debuted Google Glass. Apple originally filed a patent for its own Glass Project back in 2006, and this latest patent sketches out the details for a device that could someday go head-to-head with similar offerings from both Google and Microsoft.