WS

William Richard Sym

Overall (All Time): #2,232,119 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6315295 Inflatable seals 2001-11-13
6029977 Inflatable seals 2000-02-29