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Lawrence Mark Knorr
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Midlothia, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid filtration media
Patent number
9,180,393
Issue date
Nov 10, 2015
E I du Pont de Nemours and Company
Guanghui Chen
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Liquid filtration media
Patent number
8,038,013
Issue date
Oct 18, 2011
E. I. Du Pont de Nemours and Company
Guanghui Chen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Liquid filtration media
Patent number
7,993,523
Issue date
Aug 9, 2011
E. I. Du Pont de Nemours and Company
Guanghui Chen
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Method and apparatus for making spiral wound sleeves for printing c...
Patent number
5,458,708
Issue date
Oct 17, 1995
E. I. Du Pont de Nemours and Company
Roland C. Gardner
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Method and apparatus for making spiral wound sleeves for printing c...
Patent number
5,425,693
Issue date
Jun 20, 1995
E. I. Du Pont de Nemours and Company
Roland C. Gardner
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
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Patent Application
LIQUID FILTRATION MEDIA
Publication number
20110042316
Publication date
Feb 24, 2011
E.I. du Pont de Nemours and Company
Guanghui Chen
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
Liquid filtration media
Publication number
20090026137
Publication date
Jan 29, 2009
E.I. Du Pont De Nemours and Company
Guanghui Chen
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
Liquid filtration media
Publication number
20080217239
Publication date
Sep 11, 2008
Guanghui Chen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL