James W. Darby

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Danville, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Preformed combination vault and casket assembly with stackable comp...
- Patent number 6,345,422
- Issue date Feb 12, 2002
- Greenwood, Inc.
- James W. Darby
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Burial container assembly and method for constructing the same
- Patent number 5,960,524
- Issue date Oct 5, 1999
- Greenwood, Inc.
- James W. Darby
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Burial vault structure
- Patent number 4,531,266
- Issue date Jul 30, 1985
- James W. Darby
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Swimming pool ladder
- Patent number D265251
- Issue date Jun 29, 1982
- James W. Darby
- D25 - Building units and construction elements
Information Patent Grant
Composite burial vault and method for making same
- Patent number 4,314,390
- Issue date Feb 9, 1982
- James W. Darby
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Composite burial vault
- Patent number 4,261,083
- Issue date Apr 14, 1981
- David L. Darby
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of making a composite burial vault
- Patent number 4,060,581
- Issue date Nov 29, 1977
- David L. Darby
- B28 - WORKING CEMENT, CLAY, OR STONE