A trademark dispute between Apple and Comwave Telecom over the name “iPhone” could delay the phone’s release in Canada, according to a Sympatico report. Comwave markets a line of VoIP services and products under the name iPhone. Apple previously reached an agreement with Cisco in the U.S. to share rights to the “iPhone” name; Cisco, like Comwave, offers VoIP products under the name iPhone. Legendary rock group Led Zeppelin…