William Duke Everhart

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Florence, SC, US

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Patents Grantslast 30 patents

Information Patent Grant
Recovery of polyester from contaminated polyester waste
- Patent number 5,866,622
- Issue date Feb 2, 1999
- E. I. Du Pont de Nemours and Company
- William Duke Everhart
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of making an electrical cable
- Patent number 3,964,945
- Issue date Jun 22, 1976
- E. I. Du Pont de Nemours and Company
- William Duke Everhart
- H01 - BASIC ELECTRIC ELEMENTS