CR

Chauncey O. Rupe

ES Environmental Test Systems: 2 patents #2 of 21Top 10%
📍 Winfield, IN: #1 of 5 inventorsTop 20%
🗺 Indiana: #13,671 of 33,936 inventorsTop 45%
Overall (All Time): #2,277,213 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5498547 Method and device for the determination of polymeric biguanides in aqueous fluids Kenneth A. Blake, Carol A. Terry 1996-03-12
4855239 Test composition and device for the determination of cyanuric acid in water 1989-08-08