With iWatch trademarks linked to Apple spotted in places like Japan, Russia and a slew of other countries, it is no surprise speculation is intensifying that the iPhone maker is secretly developing a wearable gizmo of some sort. Another piece of the Apple smartwatch puzzle has now fallen into place as The United States Patent & Trademark Office (USPTO) published Friday a patent filing detailing a flexible battery design specifically conceived for a wristwatch and/or other bendable mobile devices...
Apple invents flexible batteries, likely for iWatch