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Cyclonic vacuum cleaner
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Patent number 6,419,719
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Issue date Jul 16, 2002
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G.B.D. Corp.
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Wayne Ernest Conrad
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Insert for a cyclone separator
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Patent number 6,312,594
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Issue date Nov 6, 2001
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G.B.D. Corp.
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Wayne Ernest Conrad
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Center air feed for cyclonic separator
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Patent number 6,141,826
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Issue date Nov 7, 2000
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G.B.D. Corp.
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Wayne Ernest Conrad
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
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Terminal insert for a cyclone separator
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Patent number 6,129,775
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Issue date Oct 10, 2000
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G.B.D. Corp.
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Wayne Ernest Conrad
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...