DP

David Phillips

DT Davidson Hydrant Technologies: 2 patents #6 of 8Top 75%
Overall (All Time): #1,334,832 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D1079170 Bat wax scraper 2025-06-10
7775231 Retrofitting a fire hydrant with a replacement hydrant body containing a secondary valve Tom Davidson, Anthony Ferrari, David Michael Walden 2010-08-17
7575017 Wet barrel fire hydrant system with second valve Thomas Davidson, David Michael Walden, Anthony Ferrari, O. G. Sims, Matthew Jesse Rose 2009-08-18