Ex parte ENGDAHL et al. - Page 9




          Appeal No. 1997-3434                                                        
          Application No. 08/307,075                                                  


                    in the specification) demonstrates                                
                    the propriety of representing conventional                        
                    computing circuitry as a labeled box.                             
                    See U.S. Patent No. 5,171,998, Fig. 1,                            
                    circuit 40. . . .                                                 































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