IK

Ivan P. Korchagin

UN Unknown: 1 patents #213 of 2,616Top 9%
Overall (2011): #278,672 of 364,097Top 80%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7918314 Hoisting systems for high-rise building maintenance Pavel V. Korchagin, Marina E. Korchagina, Andrey G. Tirsky 2011-04-05