David L. Westlund

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Green Bay, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Container including a pressure relief valve for use in holding and...
- Patent number 5,415,329
- Issue date May 16, 1995
- Tosca Limited
- David L. Westlund
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...