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Flexible drainage trap
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Patent number 5,063,616
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Issue date Nov 12, 1991
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Jeremiah J. Bresnahan
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E03 - WATER SUPPLY SEWERAGE
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Flexible plumbing trap
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Patent number 4,516,278
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Issue date May 14, 1985
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Lee T. Lamond
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E03 - WATER SUPPLY SEWERAGE
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3873137
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Patent number 3,873,137
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Issue date Mar 25, 1975
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3860978
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Patent number 3,860,978
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Issue date Jan 21, 1975
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E03 - WATER SUPPLY SEWERAGE
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3847184
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Patent number 3,847,184
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Issue date Nov 12, 1974
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3534778
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Patent number 3,534,778
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Issue date Oct 20, 1970
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3521305
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Patent number 3,521,305
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Issue date Jul 21, 1970
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E03 - WATER SUPPLY SEWERAGE
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3471179
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Patent number 3,471,179
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Issue date Oct 7, 1969
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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3313314
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Patent number 3,313,314
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Issue date Apr 11, 1967
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E03 - WATER SUPPLY SEWERAGE
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3302216
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Patent number 3,302,216
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Issue date Feb 7, 1967
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E03 - WATER SUPPLY SEWERAGE
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3076669
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Patent number 3,076,669
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Issue date Feb 5, 1963
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E04 - BUILDING
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2935992
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Patent number 2,935,992
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Issue date May 10, 1960
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E03 - WATER SUPPLY SEWERAGE
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2866981
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Patent number 2,866,981
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Issue date Jan 6, 1959
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E03 - WATER SUPPLY SEWERAGE
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2662409
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Patent number 2,662,409
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Issue date Dec 15, 1953
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G01 - MEASURING TESTING
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2484031
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Patent number 2,484,031
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Issue date Oct 11, 1949
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E03 - WATER SUPPLY SEWERAGE