IH

Ivan Helfert

📍 Lučenec, SK: #1 of 8 inventorsTop 15%
Overall (1989): #101,910 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4847403 2-Isopropyl-2-(2-methylphenyl)-5-(N-methyl-N-homoveratr ylamino)-valeronitrile and method for producing same Luedvik Blaha, Miroslav Rajsner, Vaclav Trcka 1989-07-11