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Geoffrey Blackbourn
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Cambridge, GB
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Patents Grants
last 30 patents
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Patent Grant
Tap with incorporated air passageway
Patent number
6,470,910
Issue date
Oct 29, 2002
Waddington & Duval Limited
Geoffrey Blackbourn
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information
Patent Grant
Tap with incorporated air passageway
Patent number
6,401,752
Issue date
Jun 11, 2002
Waddington & Duval Limited
Geoffrey Blackbourn
B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Patents Applications
last 30 patents
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Patent Application
Tap with incorporated air passageway
Publication number
20020079001
Publication date
Jun 27, 2002
Waddington and Duval Limited
Geoffrey Blackbourn
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC