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                        Sealing of pipe liners
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                                    Patent number 12,251,887
                                
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                                    Issue date Mar 18, 2025
                                
 
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                                         W.E.Rawson Limited W.E.Rawson Limited
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                                         David John Blades David John Blades
 
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                                         B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
 
 
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                        Sonic sealed bias seam
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                                    Patent number 6,228,195
                                
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                                    Issue date May 8, 2001
                                
 
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                                         Star Binding & Trimming Corp. Star Binding & Trimming Corp.
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                                         Martin W. Spatz Martin W. Spatz
 
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                                         B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
 
 
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                        3759198
                                - 
                                    Patent number 3,759,198
                                
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                                    Issue date Sep 18, 1973
                                
 
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                                         D05 - SEWING EMBROIDERING TUFTING D05 - SEWING EMBROIDERING TUFTING
 
 
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                        3013513
                                - 
                                    Patent number 3,013,513
                                
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                                    Issue date Dec 19, 1961
                                
 
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                                         D05 - SEWING EMBROIDERING TUFTING D05 - SEWING EMBROIDERING TUFTING
 
 
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                        2951459
                                - 
                                    Patent number 2,951,459
                                
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                                    Issue date Sep 6, 1960
                                
 
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                                         D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH... D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
 
 
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                        2940404
                                - 
                                    Patent number 2,940,404
                                
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                                    Issue date Jun 14, 1960
                                
 
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                                         D05 - SEWING EMBROIDERING TUFTING D05 - SEWING EMBROIDERING TUFTING
 
 
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                        2879060
                                - 
                                    Patent number 2,879,060
                                
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                                    Issue date Mar 24, 1959
                                
 
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                                         D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH... D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
 
 
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                        2668296
                                - 
                                    Patent number 2,668,296
                                
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                                    Issue date Feb 9, 1954
                                
 
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                                         B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
 
 
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                        2619057
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                                    Patent number 2,619,057
                                
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                                    Issue date Nov 25, 1952
                                
 
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                                         D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH... D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
 
 
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                        2546527
                                - 
                                    Patent number 2,546,527
                                
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                                    Issue date Mar 27, 1951
                                
 
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                                         D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH... D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
 
 
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                        2387386
                                - 
                                    Patent number 2,387,386
                                
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                                    Issue date Oct 23, 1945
                                
 
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                                         D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH... D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
 
 
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                        2321010
                                - 
                                    Patent number 2,321,010
                                
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                                    Issue date Jun 8, 1943
                                
 
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                                         D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH... D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
 
 
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                        2313433
                                - 
                                    Patent number 2,313,433
                                
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                                    Issue date Mar 9, 1943
                                
 
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                                         D05 - SEWING EMBROIDERING TUFTING D05 - SEWING EMBROIDERING TUFTING