Ognjeslav Kostović Stepanović, Date of Birth, Date of Death
TweetOgnjeslav Kostović Stepanović
Serbian inventor
Date of Birth: 
About Ognjeslav Kostović Stepanović
- Ognjeslav Stepanovic Kostovic (Serbian Cyrillic: ???????? ?????????? ????????) (1851 – 16 December 1916) was a Serbian Russian inventor.
Read more at Wikipedia