0001181431-08-024640 4 1 20060101 20080410 20080410 AtriCure, Inc. 0001323885 3841 341940305 DE 1231 6033 SCHUMACHER PARK DRIVE WEST CHESTER OH 45069 513-755-4107 6033 SCHUMACHER PARK DRIVE WEST CHESTER OH 45069 HARRISON DONALD C 0001106510 4 34 000-51470 08750623 UNIVERSITY OF CINCINNATI MEDICAL CENTER 250 HEALTH PROFESSIONS BUILDING CINCINNATI OH 45267-0663 5135586052 4 1 rrd202758.xml FORM 4