Ex parte YU - Page 3




          Appeal No. 1998-2542                                                        
          Application No. 08/266,306                                                  


          evidence of obviousness, the examiner offers the admitted                   
          prior art in view of Beyers with respect to claims 1-19 and                 
          21-23, and Levine is added to the combination with respect to               
          claim 20.                                                                   






























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