VG

Valery S. Gavrev

📍 Sliven, BG: #3 of 52 inventorsTop 6%
Overall (All Time): #2,372,804 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4198866 Method and device for ultrasonic inspection of materials Sergei B. Birjukov, Jury M. Goncharuk, Alexandr V. Savitsky, Viktor A. Lonchak 1980-04-22
4187725 Method for ultrasonic inspection of materials and device for effecting same Jury M. Goncharuk, Sergei B. Birjukov, Alexandr V. Savitsky, Ljudmila A. Popova 1980-02-12