Surface Book 4 fan renders show the device flipping between modes
(Windows Phone Central)

The Surface Book 4 could go in a different direction than Microsoft`s previous premium Surface laptops. What you need to know A designer created unofficial renders for what the Surface Book 4 could look like. The renders are based on recently filed patents from Microsoft that show a unique hinge for the device. A mock launch video illustrates what the patent design would look like in motion. Microsoft could announce several Surface devices later this year in October. Among those devices could be the Surface Book 4. A patent from Microsoft shows off a laptop with a hinge that lets its display pop forward, somewhat like the HP Elite Folio and Acer ConceptID. A designer named David Breyer shared unofficial renders online of what the Surface Book 4 could look like. Not much is known about the Surface Book 4. In fact, it may actually be called something along the lines of the Surface Laptop Studio. Until we see more details from Microsoft, the best we can do is look at the stunnin...