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Composite multi-pressure gasket
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Patent number 6,142,484
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Issue date Nov 7, 2000
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Vassallo Research and Development Corporation
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Jose E. Valls
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Gasket
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Patent number D330073
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Issue date Oct 6, 1992
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Vassallo Research & Development Corp.
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Jose E. Valls
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D23 - Environmental heating and cooling
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Pipe connection assembly
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Patent number 5,145,216
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Issue date Sep 8, 1992
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Vassallo Research and Development Corporation
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Jose E. Valls
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Fitting socket with integral reinforcing ring
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Patent number 5,120,153
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Issue date Jun 9, 1992
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Vassallo Research & Development Corp.
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Jose E. Valls
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Gasket
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Patent number D326710
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Issue date Jun 2, 1992
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Vassallo Research & Development Corp.
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Jose E. Valls
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D23 - Environmental heating and cooling
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Pipe socket insert
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Patent number 4,834,430
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Issue date May 30, 1989
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Vassallo Research & Development Corp.
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Efrain D. Vassallo
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Gasket seating ring
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Patent number 4,826,028
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Issue date May 2, 1989
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Vassallo Research & Development Corp.
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Efrain D. Vassallo
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Composite gasket and fitting including same
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Patent number 4,693,483
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Issue date Sep 15, 1987
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Vassallo Research and Development Corporation
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Jose E. Valls
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Tee pipe fitting
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Patent number D291480
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Issue date Aug 18, 1987
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Vassallo Research and Development Corporation
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Efrain D. Vassallo
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D23 - Environmental heating and cooling
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Pipe coupling
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Patent number D291482
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Issue date Aug 18, 1987
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Vassallo Research and Development Corporation
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Efrain D. Vassallo
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D23 - Environmental heating and cooling
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Elbow pipe fitting
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Patent number D291481
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Issue date Aug 18, 1987
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Vassallo Research and Development Corporation
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Efrain D. Vassallo
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D23 - Environmental heating and cooling
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Cross tee pipe fitting
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Patent number D291483
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Issue date Aug 18, 1987
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Vassallo Research and Development Corporation
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Efrain D. Vassallo
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D23 - Environmental heating and cooling
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Gasket
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Patent number D289078
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Issue date Mar 31, 1987
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Vassallo Research and Development Corporation
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Efrain D. Vassallo
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D23 - Environmental heating and cooling
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Composite gasket and fitting including same
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Patent number 4,637,618
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Issue date Jan 20, 1987
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Vassallo Research and Development Corporation
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Jose E. Valls
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipe fitting interlocking system
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Patent number 4,583,772
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Issue date Apr 22, 1986
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Vassallo Research and Development Corporation
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Efrain D. Vassallo
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Gasket
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Patent number 4,579,354
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Issue date Apr 1, 1986
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Vassallo Research and Development Corporation
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Efrain D. Vassallo
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipe fitting construction
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Patent number 4,474,392
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Issue date Oct 2, 1984
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Efrain D. Vassallo
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...