If Apple invented it first, and successfully patented it, yes. And they should be rewarded for their innovation efforts because nobody else but Apple bothered to spend the time & money to advance the usefulness of mobile devices in such a fundamental way.
The delay is likely because of iOS 5 & iCloud. Had they been done in June, iPhone 5 probably would have been released then.
I am skipping iPhone 5, the first generation I have ever skipped. My next phone will be iPhone 6 with LTE.