Apple on the verge of the Independence Day weekend asked a Northern District of California court for a preliminary ban on four of Samsung's most important Android devices in the US. The injunction request is the result of a successful exploration and would have the court halt US sales of the Droid Charge, Galaxy S 4G, Galaxy Tab 10.1, and Infuse 4G until the lawsuit is resolved. Apple picked four alleged violations that it said needed the ban, three of which focused on "electronic device" designs and a fourth for list scrolling and manipulating documents on a touchs