OS

O. G. Sims

DT Davidson Hydrant Technologies: 1 patents #7 of 8Top 90%
Overall (All Time): #3,332,856 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7575017 Wet barrel fire hydrant system with second valve Thomas Davidson, David Michael Walden, Anthony Ferrari, David Phillips, Matthew Jesse Rose 2009-08-18