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Heinz G. Klein
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Bonn, DE
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last 30 patents
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Patent Grant
Metering valve for a metered dose inhaler providing consistent deli...
Patent number
7,234,460
Issue date
Jun 26, 2007
3M Innovative Properties Company
David J. Greenleaf
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
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Patent Application
Two component molded valve stems
Publication number
20060131346
Publication date
Jun 22, 2006
Graham R. Purkins
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Application
Metering valve for a metered dose inhaler providing consistent deli...
Publication number
20040139965
Publication date
Jul 22, 2004
3M Innovative Properties Company
David J. Greenleaf
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE