Boris I. Koupchinov

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Gomel, SU

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Patents Grantslast 30 patents

Information Patent Grant
Method of obtaining an purified wool fat and use as an additive to...
- Patent number 5,399,730
- Issue date Mar 21, 1995
- Development Products, Inc.
- Boris I. Koupchinov
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Correction of tribology of arthritis-affected joints and medicine f...
- Patent number 5,238,929
- Issue date Aug 24, 1993
- Development Products, Inc.
- Boris I. Koupchinov
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE