David A. Rhoa

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Altoona, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sludge treatment unit
- Patent number 5,639,035
- Issue date Jun 17, 1997
- Thad S. Maugle
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...