RJ

Royce D. Johnson

EU Ecolab Usa: 2 patents #224 of 575Top 40%
📍 Inver Grove Heights, MN: #133 of 287 inventorsTop 50%
🗺 Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,149,117 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7410623 Method and apparatus for mass based dispensing Richard J. Mehus 2008-08-12
5915592 Method and apparatus for dispensing a use solution Richard J. Mehus, Thomas Craig Thalhuber 1999-06-29