JP

James Morish Polkinghorne

Overall (All Time): #2,256,218 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5704592 Expandable safety barrier Gary R. White 1998-01-06
D336524 Speed restriction hump Gary R. White 1993-06-15