Cellphone Inventor Finds iPhone 4 UnderwhelmingBrian Barrett6/08/10 2:59pmFiled to: Blockquotemarty coopertwitteriPhoneIphone 4SmartphonesAppleAndroid420EditPromoteShare to KinjaToggle Conversation toolsGo to permalinkMarty Cooper invented the cellphone. So when the man weighs in on iPhone 4, I'm inclined to hear him out. Initial verdict? Unimpressed.ShareTweet Kinja is in read-only mode. We are working to restore service.