AS

Alexandr A. Semkov

📍 Cherupuzha, IN: #1 of 3 inventorsTop 35%
Overall (All Time): #3,791,601 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, Yevgeny S. Petrashkin, Mikhail N. Dementiev +1 more 1994-02-22