JP

Joseph G. Patten

SP Spectra-Physics: 1 patents #113 of 257Top 45%
Overall (All Time): #3,944,560 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4717266 Low friction ferrofluid bearing arrangement Edward E. Hart 1988-01-05