Roger Keppers

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual aspirator
- Patent number 5,799,831
- Issue date Sep 1, 1998
- Ecolab Inc.
- John R. Spriggs
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Adherent foam cleaning compositions
- Patent number 5,597,793
- Issue date Jan 28, 1997
- Ecolab Inc.
- Michael Besse
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...