Hold on to your Foleos, folks, because it looks like Palm still hasn't given up on the idea of a little laptop that pairs with a phone for wireless communications. However, where that former (failed) experiment called for entirely disparate hardware, here the relationship between the two would be rather more formal. In a patent filed in April and just dug up by Unwired View, Palm describes a "compact removable voice handset" and an "integrated palmtop computer." The two can communicate wirelessly, but more interestingly they