AS

Alan Schwartzman

FE Ferrofluidics: 1 patents #26 of 52Top 50%
Overall (All Time): #4,077,971 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4357021 Ferrofluid rotary-shaft seal apparatus and method Kuldip Raj 1982-11-02