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IG

Ivan I. Grigortchak

Ivano-Frankivsk, UA: #1 of 2 inventorsTop 50%
Overall (1994): #31,116 of 165,921Top 20%
2 Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5368957 Energy storage device Ivan D. Kozmik, Kornei D. Tovstjuk, Zahar D. Kovalyuk, Elvria G. Krigan, Bogdan P. Bahmatyuk 1994-11-29
5351164 Electrolytic double layer capacitor Kornei D. Tovstjuk, Zahar D. Kovalyuk, Ivan D. Kozmik, Bogdan P. Bahmatyuk 1994-09-27