Adu Gyamfi Darkwa

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Olympia Fields, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Shaving composition and method for preventing pseudofolliculitis ba...
- Patent number 5,853,709
- Issue date Dec 29, 1998
- Johnson Products Co., Inc.
- Isaac Willis
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hair straightening emulsion
- Patent number 5,679,327
- Issue date Oct 21, 1997
- Johnson Products Co., Inc.
- Adu Gyamfi Darkwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Conditioning hair relaxer system
- Patent number 5,376,364
- Issue date Dec 27, 1994
- Johnson Products Co., Inc.
- Adu G. Darkwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hair relaxer and post-relaxer hair brightener system
- Patent number 5,293,885
- Issue date Mar 15, 1994
- Johnson Products Co., Inc.
- Adu G. Darkwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Conditioning hair relaxer system with conditioning activator
- Patent number 5,077,042
- Issue date Dec 31, 1991
- Johnson Products Co., Inc.
- Adu G. Darkwa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE