RJ

Roy F. Johnson

EU Ecolab Usa: 2 patents #224 of 575Top 40%
📍 Windom, MN: #1,009 of 2,819 inventorsTop 40%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,587,274 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7213821 Expandable cart apparatus 2007-05-08
6675840 Fill probe with in-line mixer Ronald D. Jungmann, Richard V. Mullen 2004-01-13
6131774 Flowable material dispenser with automatic shutoff and vessel for receiving flowable material John E. Thomas, James L. Copeland, Jamie W. Lerbs 2000-10-17