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                        Acoustic shutter assembly
                    
                                            
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                                    Patent number 11,566,466
                                
 
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                                    Issue date Jan 31, 2023
                                
 
                        
                                            
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                                    Ramboll Denmark Contracting APS
                                 
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                                    Svend Erik Paulsen Dahl
                                 
                        
                                            
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                                    G10 - MUSICAL INSTRUMENTS ACOUSTICS
                                 
                        
                 
             
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                        Blow-dry enclosure
                    
                                            
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                                    Patent number 10,809,001
                                
 
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                                    Issue date Oct 20, 2020
                                
 
                        
                                            
                                - 
                                        
                                    Keith  Gangitano
                                 
                        
                                            
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                                    F24 - HEATING RANGES VENTILATING
                                 
                        
                 
             
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                        Ventilation device and frame system
                    
                                            
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                                    Patent number 8,641,494
                                
 
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                                    Issue date Feb 4, 2014
                                
 
                        
                                            
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                                    Silenceair International Pty Limited
                                 
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                                    Christopher James Matthews
                                 
                        
                                            
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                                    F24 - HEATING RANGES VENTILATING
                                 
                        
                 
             
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                        Duct supporting apparatus
                    
                                            
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                                    Patent number 8,235,331
                                
 
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                                    Issue date Aug 7, 2012
                                
 
                        
                                            
                                - 
                                        
                                    David J.  McIntosh
                                 
                        
                                            
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                                    F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
                                 
                        
                 
             
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                        High efficiency solar powered fans
                    
                                            
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                                    Patent number 7,850,513
                                
 
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                                    Issue date Dec 14, 2010
                                
 
                        
                                            
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                                    University of Central Florida Research Foundation, Inc.
                                 
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                                    Danny  Parker
                                 
                        
                                            
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                                    F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
                                 
                        
                 
             
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                        Repositionable attenuator
                    
                                            
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                                    Patent number 7,328,586
                                
 
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                                    Issue date Feb 12, 2008
                                
 
                        
                                            
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                                    Air Systems Components, L.P.
                                 
                                - 
                                        
                                    David  Gau
                                 
                        
                                            
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                                    F24 - HEATING RANGES VENTILATING
                                 
                        
                 
             
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                        Air delivery system
                    
                                            
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                                    Patent number 7,238,106
                                
 
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                                    Issue date Jul 3, 2007
                                
 
                        
                                            
                                - 
                                        
                                    James L.  Scott
                                 
                        
                                            
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                                    F24 - HEATING RANGES VENTILATING
                                 
                        
                 
             
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