Virginia L. Hammersmith

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Monroeville, PA, US

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Patents Grantslast 30 patents

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Method and apparatus for controlled removal of excess slurry from o...
- Patent number 4,263,843
- Issue date Apr 28, 1981
- Aluminum Company of America
- Virginia L. Hammersmith
- B28 - WORKING CEMENT, CLAY, OR STONE