DAVID GLENN DUCKWORTH

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IRVINE, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum wine bottle stopper and cap, and method of use
- Patent number 10,745,180
- Issue date Aug 18, 2020
- David Glenn Duckworth
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Vacuum wine bottle stopper and cap, and method of use
- Patent number 10,611,533
- Issue date Apr 7, 2020
- David Glenn Duckworth
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...

Patents Applicationslast 30 patents

Information Patent Application
VACUUM WINE BOTTLE STOPPER AND CAP, AND METHOD OF USE
- Publication number 20190177053
- Publication date Jun 13, 2019
- DAVID GLENN DUCKWORTH
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
VACUUM WINE BOTTLE STOPPER AND CAP, AND METHOD OF USE
- Publication number 20190177054
- Publication date Jun 13, 2019
- DAVID GLENN DUCKWORTH
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL