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Patent applications and USPTO patent grants for Duhon; Donavin.The latest application filed is for "method for testing abrasion resistance of a test specimen".
Patent | Date |
---|---|
Interconnectable refractory anchor Grant 8,656,679 - Duhon February 25, 2 | 2014-02-25 |
Test device for refractory material Grant 8,047,048 - Jenkins , et al. November 1, 2 | 2011-11-01 |
Method For Testing Abrasion Resistance Of A Test Specimen App 20100192663 - Jenkins; Robert J. ;   et al. | 2010-08-05 |
Test Device For Refractory Material App 20100192664 - Jenkins; Robert J. ;   et al. | 2010-08-05 |
Method for testing abrasion resistance of a test specimen Grant 7,757,542 - Jenkins , et al. July 20, 2 | 2010-07-20 |
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