Michael C. Calhoun

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Massillon, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Easy-open mechanism for can end
- Patent number 5,931,331
- Issue date Aug 3, 1999
- Crown Cork & Seal Technologies Corporation
- William A. Kirk
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL