CB

Charles Barnett

US Usfilter: 1 patents #16 of 46Top 35%
Overall (All Time): #3,618,585 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6078178 Water quality indicating apparatus having self-cleaning test probes — 2000-06-20