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                    H. Fredrick Hamann 
                        H. Fredrick
                        
                        Hamann
                
            
            
                    
                    Measuring and testing
 
                     
                    Ductility or brittleness
 
            
            
            
                
            
            
                
            
            
            
            
                    
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                1,9-difluoro-1,1,3,5,7,9,9-octanitro-3,7-diazanonane and method 
            
                Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
            Patent
         
            
            
                
    
    
            
            
            
            
            
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                1-Azidomethyl-3,5,7-trinitro-1,3,5,7-tetrazacyclooctane and synt
            
                Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
            Patent
         
            
            
                
    
    
            
            
            
            
            
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                2:1 bandwidth, 4-way, combiner/splitter
            
                Wave transmission lines and networks – Plural channel systems – Having branched circuits
            Patent
         
            
            
                
    
    
            
            
            
            
            
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                3-D sonar image display
            
                Communications – electrical: acoustic wave systems and devices – Distance or direction finding – With beam steering – scanning – or focussing
            Patent
         
            
            
                
    
    
            
            
            
            
            
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                3D stereo integrated attitude director and horizontal situation 
            
                Communications: electrical – Aircraft alarm or indicating systems – Nonalarm flight indicator
            Patent
         
            
            
                
    
    
            
            
            
            
            
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                Profile ID: LFUS-PAI-P-5060
            
         
                        
 
                        
    
    
        
                
                
                
                
                
        
                     
                    
                    
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
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