JM

James D. McWilliams

HA Hach: 1 patents #109 of 214Top 55%
Overall (All Time): #3,766,041 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5397452 Reference electrode Michael D. Buck, Steven R. Zelenak, John R. Dunkle, Gary W. Johnson 1995-03-14