Kevan P. Elefsrud

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Hisparia, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for disposal of cement waste
- Patent number 6,461,098
- Issue date Oct 8, 2002
- Kevan P. Elefsrud
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Disposal of cement waste from chute
- Publication number 20050219940
- Publication date Oct 6, 2005
- Kevan P. Elefsrud
- B28 - WORKING CEMENT, CLAY, OR STONE