Spencer B. Larson

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Cottage Grove, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Dispensing apparatus having a removable variable proportioning and...
- Patent number 5,344,074
- Issue date Sep 6, 1994
- Ecolab Inc.
- John R. Spriggs
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Method and apparatus for controlling the concentration of a chemica...
- Patent number 4,733,798
- Issue date Mar 29, 1988
- Ecolab Inc.
- Daniel F. Brady
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...