with mixing elements held stationary

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Patents Grantslast 30 patents

Information Patent Grant
Vehicle mounted concrete mixing drum and method of manufacture thereof
- Patent number 7,784,995
- Issue date Aug 31, 2010
- Anthony Khouri
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Concrete mixer
- Patent number 5,839,824
- Issue date Nov 24, 1998
- James A. Backman
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
1593093
- Patent number 1,593,093
- Issue date Jul 20, 1926
- B28 - WORKING CEMENT, CLAY, OR STONE