DS

David Sparke

Overall (All Time): #1,441,225 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11167223 Device for improving water quality 2021-11-09
10815131 Device for improving water quality 2020-10-27
10301188 Device for improving water quality 2019-05-28