Herman C. Fraley

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Amherst, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods of manufacturing gypsum board and board made therefrom
- Patent number 5,879,486
- Issue date Mar 9, 1999
- National Gypsum Company
- John L. Philips
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Apparatus for manufacturing gypsum board
- Patent number 5,718,797
- Issue date Feb 17, 1998
- National Gypsum Company
- John L. Phillips
- B28 - WORKING CEMENT, CLAY, OR STONE