VS

Vladislav K Spiridonov

Overall (2021): #186,121 of 548,734Top 35%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11065479 Portable air powered respirator Alexander Pinkus Rafalovich, Vladimir G Bulygin, Daniil V Golubev 2021-07-20