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Silke Frank
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Mannheim, DE
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Patents Grants
last 30 patents
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Patent Grant
Air filter having electrostatically active nonwoven fabric inliners...
Patent number
6,669,761
Issue date
Dec 30, 2003
Carl Freudenberg KG
Wolfram Schultheiss
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Patents Applications
last 30 patents
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Patent Application
Air filter having electrostatically active nonwoven fabric inliners...
Publication number
20030000389
Publication date
Jan 2, 2003
Wolfram Schultheiss
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL