John vanKerkhoven deceased

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late of Wausau, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
End closure having a push open lid portion
- Patent number RE34263
- Issue date May 25, 1993
- The Specialty Packaging Group, Inc.
- John vanKerkhoven
- 220 - Receptacles
Information Patent Grant
End closure having a push open lid portion
- Patent number 4,969,572
- Issue date Nov 13, 1990
- The Specialty Packaging Group, Inc.
- John vanKerkhoven
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL