Bob L. Frost

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Clarksville, AR, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for stacking and facing uncured brick
- Patent number 4,326,439
- Issue date Apr 27, 1982
- Clarksville Machine Works, Inc.
- Bob L. Frost
- B28 - WORKING CEMENT, CLAY, OR STONE