John G. Donzella

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North Bergen, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Liquid flow control valve and bottle adapter
- Patent number 5,743,294
- Issue date Apr 28, 1998
- John G. Donzella
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...