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Jorg Stockler
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Zurich, CH
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last 30 patents
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Patent Grant
Pleated filter made of a multi-layer filter medium
Patent number
6,488,731
Issue date
Dec 3, 2002
Firma Carl Freudenberg
Wolfram Schultheiss
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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last 30 patents
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Patent Application
Pleated filter made of a multi-layer filter medium
Publication number
20020011051
Publication date
Jan 31, 2002
Wolfram Schultheib
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL