James E. Zellner

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Denver, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing cast tape finish on a dry-pressed substrate
- Patent number 4,786,342
- Issue date Nov 22, 1988
- Coors Porcelain Company
- James E. Zellner
- B28 - WORKING CEMENT, CLAY, OR STONE