JB

John Caleb Wells Biggers

Overall (All Time): #2,179,269 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6880804 Valve sealing means 2005-04-19
5226453 Ball valve Henry G. Brock 1993-07-13