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Andrei Leonidovich Dushkin

O“ Obschestvo S Ogranichennoi Otvetstvennostyu “Weldup”: 2 patents #4 of 55Top 8%
Overall (All Time): #2,179,684 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6964307 Sprinklers Alexandr Vladimirovich Karpyshev 2005-11-15
6886640 Fluid spray nozzle and fire extinguisher Alexandr Vladimirovich Karpyshev 2005-05-03