Ezzat N. Khalil

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Oak Park, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Hair relaxer
- Patent number 4,524,787
- Issue date Jun 25, 1985
- Johnson Products Co., Inc.
- Ezzat N. Khalil
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Stable hair relaxer
- Patent number 4,390,033
- Issue date Jun 28, 1983
- Johnson Products Co., Inc.
- Ezzat N. Khalil
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Medicated hair and scalp conditioner
- Patent number 4,237,112
- Issue date Dec 2, 1980
- Johnson Products Co., Inc.
- Zbigniew J. Selega
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Low irritant conditioning shampoo composition
- Patent number 4,205,063
- Issue date May 27, 1980
- Johnson Products Co., Inc.
- Ezzat N. Khalil
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE