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                        Micro hemispheric resonator gyro
                    
                                            
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                                    Patent number 8,109,145
                                
 
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                                    Issue date Feb 7, 2012
                                
 
                        
                                            
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                                    Northrop Grumman Guidance and Electronics Company, Inc.
                                 
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                                    Robert E.  Stewart
                                 
                        
                                            
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                                    G01 - MEASURING TESTING
                                 
                        
                 
             
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                        Gyrocompass
                    
                                            
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                                    Patent number 7,194,813
                                
 
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                                    Issue date Mar 27, 2007
                                
 
                        
                                            
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                                    Yokogawa Electric Corporation
                                 
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                                    Shoichi  Kogure
                                 
                        
                                            
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                                    G01 - MEASURING TESTING
                                 
                        
                 
             
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                        Gimbal system
                    
                                            
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                                    Patent number 6,386,886
                                
 
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                                    Issue date May 14, 2002
                                
 
                        
                                            
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                                    Raytheon Company
                                 
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                                    William A. Filaretos
                                 
                        
                                            
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                                    H01 - BASIC ELECTRIC ELEMENTS
                                 
                        
                 
             
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