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                        Disco ball
                    
                                            
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                                    Patent number 11,060,679
                                
 
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                                    Issue date Jul 13, 2021
                                
 
                        
                                            
                                - 
                                        
                                    Rafael  Mittelberger
                                 
                        
                                            
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                                    G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
                                 
                        
                 
             
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                        Floating construction
                    
                                            
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                                    Patent number 9,630,685
                                
 
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                                    Issue date Apr 25, 2017
                                
 
                        
                                            
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                                    WATERBOX OY
                                 
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                                    Evgeny  Lykov
                                 
                        
                                            
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                                    A63 - SPORTS GAMES AMUSEMENTS
                                 
                        
                 
             
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                        Stage
                    
                                            
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                                    Patent number 8,272,967
                                
 
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                                    Issue date Sep 25, 2012
                                
 
                        
                                            
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                                    Vertical Leisure Ltd
                                 
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                                    Yuan Yan  Wei
                                 
                        
                                            
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                                    E04 - BUILDING
                                 
                        
                 
             
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                        Amusement apparatus
                    
                                            
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                                    Patent number 8,206,232
                                
 
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                                    Issue date Jun 26, 2012
                                
 
                        
                                            
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                                    Roy  Johnston
                                 
                        
                                            
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                                    A63 - SPORTS GAMES AMUSEMENTS
                                 
                        
                 
             
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                        Soup bowl attraction
                    
                                            
                                - 
                                    Patent number 6,168,531
                                
 
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                                    Issue date Jan 2, 2001
                                
 
                        
                                            
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                                    Sony Corporation
                                 
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                                    William George Adamson
                                 
                        
                                            
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                                    A63 - SPORTS GAMES AMUSEMENTS
                                 
                        
                 
             
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                        Balloon thruster
                    
                                            
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                                    Patent number 5,381,779
                                
 
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                                    Issue date Jan 17, 1995
                                
 
                        
                                            
                                - 
                                        
                                    Allen E. Shelton
                                 
                        
                                            
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                                    A63 - SPORTS GAMES AMUSEMENTS
                                 
                        
                 
             
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                        3488050
                    
                                            
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                                    Patent number 3,488,050
                                
 
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                                    Issue date Jan 6, 1970
                                
 
                        
                                                                
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                                    A63 - SPORTS GAMES AMUSEMENTS
                                 
                        
                 
             
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                        1801885
                    
                                            
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                                    Patent number 1,801,885
                                
 
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                                    Issue date Apr 21, 1931
                                
 
                        
                                                                
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                                    A63 - SPORTS GAMES AMUSEMENTS
                                 
                        
                 
             
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                        1733919
                    
                                            
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                                    Patent number 1,733,919
                                
 
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                                    Issue date Oct 29, 1929
                                
 
                        
                                                                
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                                    A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
                                 
                        
                 
             
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                        1506940
                    
                                            
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                                    Patent number 1,506,940
                                
 
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                                    Issue date Sep 2, 1924
                                
 
                        
                                                                
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                                    A63 - SPORTS GAMES AMUSEMENTS
                                 
                        
                 
             
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                        1429457
                    
                                            
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                                    Patent number 1,429,457
                                
 
                                - 
                                    Issue date Sep 19, 1922
                                
 
                        
                                                                
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                                    A63 - SPORTS GAMES AMUSEMENTS