Mark F. Mettler

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Grand Rapids, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Closure with seal opening member
- Patent number 5,797,506
- Issue date Aug 25, 1998
- Amway Corporation
- Bradley P. Lehmkuhl
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL