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Du Yung Hsiung
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Park Forest, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Neutralizer for permanently waving hair
Patent number
4,770,872
Issue date
Sep 13, 1988
Helene Curtis Industries, Inc.
Du Y. Hsiung
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hair treating method and composition
Patent number
4,614,200
Issue date
Sep 30, 1986
Helene Curtis Industries, Inc.
Du Y. Hsiung
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for altering the configuration of hair
Patent number
4,572,220
Issue date
Feb 25, 1986
Helene Curtis Industries, Inc.
Du Y. Hsiung
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hair conditioning and composition therefor
Patent number
4,391,286
Issue date
Jul 5, 1983
Helene Curtis Industries
Du Y. Hsiung
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hair conditioning waving and straightening compositions and methods
Patent number
4,175,572
Issue date
Nov 27, 1979
Johnson Products Co., Inc.
Du Y. Hsiung
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Insoles for footwear
Patent number
4,062,131
Issue date
Dec 13, 1977
Scholl, Inc.
Du Yung Hsiung
A43 - FOOTWEAR
Information
Patent Grant
Cold insulating insole
Patent number
4,055,699
Issue date
Oct 25, 1977
Scholl, Inc.
Du Yung Hsiung
B32 - LAYERED PRODUCTS
Information
Patent Grant
Two-part hair dye or hair bleach package
Patent number
3,931,912
Issue date
Jan 13, 1976
The Gillette Company
Du Yung Hsiung
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE