David Wang

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing decorative surface coverings
- Patent number 4,675,212
- Issue date Jun 23, 1987
- Mannington Mills, Inc.
- John W. Wiley
- B44 - DECORATIVE ARTS
Information Patent Grant
Decorative surface coverings
- Patent number 4,409,280
- Issue date Oct 11, 1983
- Mannington Mills
- John W. Wiley
- B44 - DECORATIVE ARTS