IO

Ivan M. Obushenko

PH Photran: 2 patents #3 of 7Top 45%
Overall (All Time): #2,273,921 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5679131 Method for producing titanium oxide from ore concentrates — 1997-10-21
5512390 Light-weight electrical-storage battery — 1996-04-30