Ex parte GREENBERG et al. - Page 8




          Appeal No. 1998-0823                                                        
          Application 08/630,542                                                      


          of the objective lens rear aperture (see page 2, top of right               
          hand column).  Heimstadt lacks cameras or "camera ports"                    
          disposed in the path of the separate beams; but Muller                      
          suggests the use of "photographic, motion picture or                        
          television cameras" in the path of light split from the                     
          original light from the objective lens rear aperture (see                   
          Figure 3, and col. 4, lines  23-29: cameras are to be                       
          positioned to use focus at image planes 28, 29).                            
               We find that those skilled in the art having the                       
          teachings of Heimstadt and Muller before them would have                    
          placed cameras at the locations of the eyepieces of Heimstadt,              
          because of Muller's explicit suggestion that two cameras may                
          be used to photograph the magnified images of a stereo                      
          microscope for later viewing.                                               
               Therefore, we find that it would have been obvious to one              
          skilled in the art in view of the teachings of Heimstadt and                
          Muller to position cameras (in "camera ports") disposed in the              
          path of two such separate light beams, as recited in claim 22.              
               On pages 20 to 22 of the Brief, Appellants argue that the              
          combination of Heimstadt, Muller, and Jakubowski fails to                   


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