Rollo G. Berg

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Madrid, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Stone cutting device
- Patent number 7,819,112
- Issue date Oct 26, 2010
- M & R Manufacturing
- Rollo G. Berg
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
STONE CUTTING DEVICE
- Publication number 20080210213
- Publication date Sep 4, 2008
- Rollo G. Berg
- B28 - WORKING CEMENT, CLAY, OR STONE