DH

Danial L. Harp

HA Hach: 2 patents #59 of 214Top 30%
Overall (All Time): #2,212,247 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6368870 Controlled diffusion analysis 2002-04-09
6315950 Controlling chlorination of wastewater and chloramination of drinking water Patrick M. Wiese, Stanley Franklin 2001-11-13