Joseph E. Kerwin

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Western Springs, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Convenience opening of containers for liquid products
- Patent number 4,029,033
- Issue date Jun 14, 1977
- The Continental Group, Inc.
- Joseph E. Kerwin
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Convenience opening of containers for liquid products
- Patent number 3,990,615
- Issue date Nov 9, 1976
- The Continental Group, Inc.
- Joseph E. Kerwin
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL