PG

Paul A. Grayden

Overall (All Time): #2,336,190 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4737073 Pump 1988-04-12
4637780 Water ring vacuum pump having adjustable part plates and a hollow impeller 1987-01-20