Eastman Kodak has filed a lawsuit against Apple—as well as BlackBerry-maker RIM—which claims that the iPhone infringes on Kodak patents related to digital cameras. Specifically, Kodak claims that the iPhone and some BlackBerry models infringe on a patent covering technology for previewing photos. Kodak is asking the U.S. International Trade Commission to bar Apple and RIM from shipping infringing products, and is seeking unspecified damages…