Ex Parte YANG et al - Page 16
          Appeal No. 2002-0974                                                        
          Application 09/332,745                                                      
          AHM/gjh                                                                     
          SENNIGER, POWERS, LEAVITT AND ROEDEL                                        
          ONE METROPOLITAN SQUARE                                                     
          16TH FLOOR                                                                  
          ST. LOUIS, MO 63102                                                         
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