Filed under: Cellphones, HandheldsRemember those crazy sons of guns at patent holding firm NTP that ended up working RIM for a shade over $612 million? They're back at it, throwing lawsuits at AT&T, Sprint, and Verizon -- that's three of the States' four national carriers, in case you're keeping count -- for alleged infringements of eight patents involving mobile email. The firm seems to be something of a one-trick pony seeing how mobile email was the issue at hand with RIM and later
