YP

Yevgeny S. Petrashkin

📍 Daugavpils, LV: #2 of 6 inventorsTop 35%
Overall (All Time): #3,791,600 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D344608 Heat-recuperating mask Alexandr F. Goryachy, Ljudmila N. Rastorgueva, Vitaly V. Golikov, Alexandr A. Semkov, Mikhail N. Dementiev +1 more 1994-02-22