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Daniel LeRoy ZumMallen
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Murrieta, CA, US
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last 30 patents
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Patent Grant
Insulated backflow device cover
Patent number
6,520,201
Issue date
Feb 18, 2003
Lance Michael Sweeney
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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last 30 patents
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Patent Application
Insulated backflow device cover
Publication number
20020066483
Publication date
Jun 6, 2002
Lance Michael Sweeney
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...