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Natural stone sealer compositions
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Patent number 11,739,234
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Issue date Aug 29, 2023
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Questech Corporation
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Barry Culkin
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Natural stone sealer compositions
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Patent number 10,532,956
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Issue date Jan 14, 2020
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Questech Corporation
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Barry Culkin
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Switch plate assembly
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Patent number D732375
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Issue date Jun 23, 2015
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Questech Corporation
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Roger Questel
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D08 - Tools and hardware
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Switch plate assembly
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Patent number D688935
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Issue date Sep 3, 2013
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Questech Corporation
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Roger Questel
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D08 - Tools and hardware
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Accurate digital divider
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Patent number 5,524,091
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Issue date Jun 4, 1996
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Questech Limited
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Robert Billing
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G06 - COMPUTING CALCULATING COUNTING
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90602423 - FORMULA 131
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Serial number 90602423
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Registration number 6726377
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Filing date Mar 25, 2021
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Questech Corporation
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2 - Paints, varnishes, lacquers
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77393436 - Q-SEAL FOREVER.
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Serial number 77393436
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Filing date Feb 11, 2008
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Questech Corporation
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6 - Common metals and their alloys
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77393534 - Q
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Serial number 77393534
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Filing date Feb 11, 2008
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Questech Corporation
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7 - Machines and machine tools
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77393448 - QUESTECH
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Serial number 77393448
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Filing date Feb 11, 2008
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Questech Corporation
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6 - Common metals and their alloys
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78904514 - BEAUTIFUL FOR LIFE
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Serial number 78904514
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Registration number 3268040
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Filing date Jun 9, 2006
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Questech Corporation
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2 - Paints, varnishes, lacquers
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78793971 - Q SEAL
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Serial number 78793971
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Filing date Jan 18, 2006
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Questech Corporation
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2 - Paints, varnishes, lacquers
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78978244 - Q-SEAL
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Serial number 78978244
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Registration number 3254330
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Filing date Jan 18, 2006
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Questech Corporation
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19 - Building materials (non-metallic)
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78367952 - QUESTECH
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Serial number 78367952
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Registration number 2962445
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Filing date Feb 13, 2004
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Questech Corporation
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2 - Paints, varnishes, lacquers
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76217453 - RQ
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Serial number 76217453
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Filing date Feb 28, 2001
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Questech Corporation
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19 - Building materials (non-metallic)
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76217548 - CAST IN QUESTECH
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Serial number 76217548
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Registration number 2847965
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Filing date Feb 28, 2001
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Questech Corporation
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19 - Building materials (non-metallic)
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75821425 - METALDESIGNS
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Serial number 75821425
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Filing date Oct 12, 1999
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Questech Corporation
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6 - Common metals and their alloys
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75447130 - QUESTEL DESIGN
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Serial number 75447130
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Filing date Mar 9, 1998
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Questech Corporation
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42 - Scientific and technological services and research and design relating thereto
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75447131 - QUESTECH
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Serial number 75447131
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Registration number 2559142
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Filing date Mar 9, 1998
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Questech Corporation
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6 - Common metals and their alloys
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75256809 - Q
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Serial number 75256809
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Filing date Mar 13, 1997
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Questech Corporation
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42 - Scientific and technological services and research and design relating thereto
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75256423 - Q
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Serial number 75256423
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Registration number 2681464
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Filing date Mar 13, 1997
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Questech Corporation
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16 - Paper, cardboard and goods made from these materials, not included in other classes