Gregory Ball

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Girard, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Container lid with selectable opening
- Patent number 6,783,019
- Issue date Aug 31, 2004
- Jeffrey J. Zettle
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Container lid with selectable opening and valve assembly for retain...
- Publication number 20030168455
- Publication date Sep 11, 2003
- Jeffrey J. Zettle
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Container lid with selectable opening
- Publication number 20030052126
- Publication date Mar 20, 2003
- Jeffrey J. Zettle
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL