Melissa Susan Merfeld

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Fort Mill, SC, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for applying reference markings to wallboard during manufacture
- Patent number 7,220,329
- Issue date May 22, 2007
- National Gypsum Properties, LLC
- William R Fox, Jr.
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Apparatus for applying reference markings to wallboard during manuf...
- Patent number 7,151,553
- Issue date Dec 19, 2006
- National Gypsum Properties, LLC
- William Ralph Fox, Jr.
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for applying reference markings to wallboard during manuf...
- Publication number 20050102945
- Publication date May 19, 2005
- NATIONAL GYPSUM PROPERTIES, LLC
- William Ralph Fox
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Wallboard with applied markings
- Publication number 20050097856
- Publication date May 12, 2005
- National Gypsum Properties, LLC, a Limited Liability Company
- William Ralph Fox
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Method and apparatus for applying reference markings to wallboard d...
- Publication number 20040182272
- Publication date Sep 23, 2004
- William Ralph Fox
- B28 - WORKING CEMENT, CLAY, OR STONE