BZ

Boris Semenovich Zakharov

Overall (All Time): #2,257,753 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5820130 Mechanical seal for movable joints of machines 1998-10-13
5720600 Sucker rod pump 1998-02-24