Ex parte PENN et al. - Page 3




          Appeal No. 1997-1380                                                        
          Application 08/301,508                                                      


               a first jet for controllably dispensing a first material               
          at selected locations of said target surface; and                           
               a dispenser mounted on said printhead in a lagging                     
          spaced-apart relationship relative to said first jet in a                   
          direction of movement of said integrated printhead relative to              
          said platform, for dispensing a second material at other                    
          locations of said target surface simultaneously with said                   
          first jet.                                                                  

               13.  A method of producing a three-dimensional object                  
          comprising the steps of:                                                    
               moving an integrated printhead across a target surface,                
          said integrated printhead comprising a first jet for                        
          controllably dispensing a liquid first material at said target              
          surface and a dispenser for dispensing a liquid second                      
          material mounted on said printhead in a spaced-apart                        
          relationship relative to said first jet;                                    
               during said moving step, controllably dispensing said                  
          first material via said first jet at selected locations of                  
          said target surface corresponding to a cross section of the                 
          object, wherein said first material solidifies after being                  
          dispensed;                                                                  
               during said dispensing, dispensing said second material                
          via said dispenser at other locations of said target surface                
          simultaneously at which said first jet is dispensing said                   
          first material, wherein said second material solidifies after               
          being despensed, to complete a layer over said target surface               
          to form another target surface at a top surface of said first               
          material; and                                                               
               repeating said moving, controllably dispensing to form a               
          body comprised of said first and second materials.                          
               The references relied upon by the examiner as evidence of              


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