Ex parte BROWN et al. - Page 1

               The opinion in support of the decision being entered today was not     
               written for publication and is not binding precedent of the Board.     
                                                               Paper No. 29           
                      UNITED STATES PATENT AND TRADEMARK OFFICE                       
                         BEFORE THE BOARD OF PATENT APPEALS                           
                                  AND INTERFERENCES                                   
                       Ex parte DANA H. BROWN, MARK D. HAGEN                          
                                 and JOHN C. PURKETT                                  
                                 Appeal No. 1998-2499                                 
                             Application No. 08/632,639                               
                                      ON BRIEF                                        

          Before KRASS, FLEMING, and BLANKENSHIP, Administrative Patent               
          KRASS, Administrative Patent Judge.                                         

                                 DECISION ON APPEAL                                   
               This is a decision on appeal from the final rejection of               
          claims 1, 3, 4, 6, 8, 11 and 12, all of the claims remaining                
          in the application.                                                         

               The invention is directed to a system for positioning an               
          actuator in a direct access storage device (DASD).  More                    
          particularly, the invention pertains to a phase modulated                   
          servo positioning system used with narrow transducer heads in               

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