Donald C. Keim

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O'Fallon, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Polyurethane foams for trench breaker and other applications
- Patent number 8,568,061
- Issue date Oct 29, 2013
- Foam Supplies, Inc.
- Timothy T. Kalinowski
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents

Information Patent Application
POLYURETHANE FOAMS FOR TRENCH BREAKER AND OTHER APPLICATIONS
- Publication number 20140039078
- Publication date Feb 6, 2014
- FOAM SUPPLIES, INC.
- Timothy T. Kalinowski
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
POLYURETHANE FOAMS FOR TRENCH BREAKER AND OTHER APPLICATIONS
- Publication number 20100158614
- Publication date Jun 24, 2010
- FOAM SUPPLIES, INC.
- Timothy T. Kalinowski
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...