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Water saving toilet system
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Patent number 4,672,689
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Issue date Jun 16, 1987
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Control Fluidics, Inc.
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Walter O. Heinze
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E03 - WATER SUPPLY SEWERAGE
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Toilet system
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Patent number 4,550,452
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Issue date Nov 5, 1985
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Control Fluidics, Inc.
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Wesley M. Tufts
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E03 - WATER SUPPLY SEWERAGE
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Water saving toilet system
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Patent number 4,516,280
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Issue date May 14, 1985
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Control Fluidics, Inc.
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Wesley M. Tufts
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E03 - WATER SUPPLY SEWERAGE
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Fluid velocity assist
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Patent number 4,404,696
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Issue date Sep 20, 1983
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International Water Saving Systems, Inc.
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Walter O. Heinze
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E03 - WATER SUPPLY SEWERAGE
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Bypass valve for a toilet system
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Patent number 4,377,874
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Issue date Mar 29, 1983
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International Water Saving Systems, Inc.
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Wesley M. Tufts
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E03 - WATER SUPPLY SEWERAGE
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Water saving toilet system
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Patent number 4,333,185
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Issue date Jun 8, 1982
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International Water Saving Systems, Inc.
-
Walter O. Heinze
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E03 - WATER SUPPLY SEWERAGE