United States Patent and Trademark Office, Patent Assignment 15035/946: Corrective Assignment To Correct The Nunc Pro Tunc Assignment Effective 01/23/2004 To Remove Incorrect Patent Number 6411647 From The Coversheet Previously Recorded On Reel 015035 Frame 0700. Assignor(s) Hereby Confirms The Assignment Document On Page 2 Clearly Identified Patent Number 6411947 As The Patent Being Assigned..