DH

Donald Lee Hakes

📍 Escondido, CA: #602 of 1,330 inventorsTop 50%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,045,752 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8669876 Above-water monitoring of swimming pools David Bradford Anderson, John Thomas Barnett, Keith R. Loss, James P. Gormican 2014-03-11
8237574 Above-water monitoring of swimming pools David Bradford Anderson, John Thomas Barnett, Keith R. Loss, James P. Gormican 2012-08-07