Larry E. Kirkpatrick

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Statesville, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Drainage channel with means for maintaining proper slope during ins...
- Patent number 4,498,807
- Issue date Feb 12, 1985
- Polydrain, Inc.
- Larry E. Kirkpatrick
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES