FR

Francis L. Richter

EU Ecolab Usa: 29 patents #495 of 1,442Top 35%
📍 Hugo, MN: #5 of 152 inventorsTop 4%
🗺 Minnesota: #2,073 of 52,454 inventorsTop 4%
Overall (All Time): #131,516 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
5336500 Sanitizing composition comprising a blend of aromatic and polyunsaturated carboxylic acid Daniel E. Pedersen, May J. Biedscheid, Dale L. Fredell 1994-08-09
5312624 Drain treatment product and method of use James Wilson, Daniel E. Pedersen 1994-05-17
5234719 Food additive sanitizing compositions Daniel E. Pedersen, Dale L. Fredell, Duane J. Reinhardt 1993-08-10
5019346 Drain treatment product and method of use James Wilson, Daniel E. Pedersen 1991-05-28