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Paul John WILLIS
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Beaconsfield, GB
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last 30 patents
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Patent Grant
Inflatable device for blocking chimney flues or other ducts
Patent number
8,899,273
Issue date
Dec 2, 2014
Chimsoc Limited
Paul John Willis
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
INFLATABLE DEVICE FOR BLOCKING CHIMNEY FLUES OR OTHER DUCTS
Publication number
20130160885
Publication date
Jun 27, 2013
CHIMSOC LIMITED
Paul John WILLIS
E04 - BUILDING