Donald C. Montgomery

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Sebastopol, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fermentation lock for wine barrel
- Patent number 6,478,178
- Issue date Nov 12, 2002
- Donald C. Montgomery
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Positive seal fermentation lock for wine barrels
- Patent number 5,702,018
- Issue date Dec 30, 1997
- Donald C. Montgomery
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Fermentation lock for wine barrel
- Publication number 20020125248
- Publication date Sep 12, 2002
- Donald C. Montgomery
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL