Todd W. Black

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Pacifica, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Feedback controlled concrete production
- Patent number 9,731,255
- Issue date Aug 15, 2017
- Melvin L. Black
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method and apparatus for mixing concrete with controlled energy abs...
- Patent number 6,126,307
- Issue date Oct 3, 2000
- Melvin L. Black
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Feedback Controlled Concrete Production
- Publication number 20140355372
- Publication date Dec 4, 2014
- Melvin L. Black
- G01 - MEASURING TESTING