Ex parte CHANG et al. - Page 1

             The opinion in support of the decision being entered today was not written
             for publication in a law journal and is not binding precedent of the Board.
                                                                 Paper No. 15         
                       UNITED STATES PATENT AND TRADEMARK OFFICE                      
                          BEFORE THE BOARD OF PATENT APPEALS                          
                                   AND INTERFERENCES                                  
                                Ex parte CHI S. CHANG,                                
                                 MICHAEL J. JOHNSON,                                  
                                  CRAIG N. JOHNSTON,                                  
                                  and JOHN M. LAUFFER                                 
                                 Appeal No. 1998-1408                                 
                              Application No. 08/569,529                              
                                       ON BRIEF                                       
          Before BARRETT, FLEMING, and BARRY, Administrative Patent                   
          BARRY, Administrative Patent Judge.                                         

                                  DECISION ON APPEAL                                  
               This is a decision on appeal from the final rejection of               
          claims 1-7 and 15-18.  We affirm-in-part.                                   

               The invention at issue in this appeal relates to                       
          transformers.  Transformers are used for power supplies, power              
          converters, and other circuits where electrical/ground                      

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