Stephen D. Steele

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Novato, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Manual cement mixer with multiple mixing troughs
- Patent number 9,751,237
- Issue date Sep 5, 2017
- Stephen D. Steele
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
MANUAL CEMENT MIXER WITH MULTIPLE MIXING TROUGHS
- Publication number 20140133261
- Publication date May 15, 2014
- Stephen D. Steele
- B28 - WORKING CEMENT, CLAY, OR STONE