J.V. Tapani Luukkainen

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Espoo, FI

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Patents Grantslast 30 patents

Information Patent Grant
Vaginal device for preventing conception or the transmission of sex...
- Patent number 5,819,742
- Issue date Oct 13, 1998
- Family Health International
- David C. Sokal
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE