HB

Humphrey Blackburn

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Healdsburg, CA: #46 of 126 inventorsTop 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,115,270 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8075766 Liquid filtration system Terry Stellema, Brian Parris, Matthew D. Silvey 2011-12-13
6966980 SSF/x slow sand filter — 2005-11-22