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Patent applications and USPTO patent grants for Ellingham; Robert E..The latest application filed is for "process for treating a material wherein the material is suspended in a gaseous atmosphere".
Patent | Date |
---|---|
Process for treating a material wherein the material is suspended in a gaseous atmosphere Grant 5,108,968 - Ellingham , et al. April 28, 1 | 1992-04-28 |
Production of improved catalyst-type particles using length and density grading Grant 4,720,473 - Welch , et al. January 19, 1 | 1988-01-19 |
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