Robert W. Espeland

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Urbandale, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Polymer concrete compositions, structures made therefrom, and metho...
- Patent number 6,048,593
- Issue date Apr 11, 2000
- Espeland Composite Technology, Inc.
- John D. Espeland
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer concrete compositions, structures made therefrom and method...
- Patent number 6,034,155
- Issue date Mar 7, 2000
- ECT Incorporated
- John D. Espeland
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...