Clifford L. Johns

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Louisville, KY

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Patents Grantslast 30 patents

Information Patent Grant
Device for unloading catalyst from a reactor vessel
- Patent number 9,138,710
- Issue date Sep 22, 2015
- Extundo Incorporated
- Clifford L. Johns
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL