John O. Winchester

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Atlanta, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for providing concrete products having improve...
- Patent number 6,035,591
- Issue date Mar 14, 2000
- James K. Hicks
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Method and apparatus for providing concrete products having improve...
- Patent number 5,918,429
- Issue date Jul 6, 1999
- The Quikrete Companies
- James K. Hicks
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES