John R. Walchli

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Palos Verdes Estates, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Closure device for container
- Patent number 4,268,938
- Issue date May 26, 1981
- Enviropak Inc.
- John R. Walchli
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL