James K. Kitzmiller

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing prestressed concrete culverts
- Patent number 4,953,280
- Issue date Sep 4, 1990
- Gifford-Hill & Company, Inc.
- James K. Kitzmiller
- B28 - WORKING CEMENT, CLAY, OR STONE