Hugh J. Tobler

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Indianola, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Feeder for adding fibrous material to a conveyor having concrete in...
- Patent number 5,316,197
- Issue date May 31, 1994
- Cemen-Tech, Inc.
- Hugh J. Tobler
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Apparatus for treating sludge
- Patent number 5,284,578
- Issue date Feb 8, 1994
- Hugh J. Tobler
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method for treating sludge
- Patent number 5,277,825
- Issue date Jan 11, 1994
- Hugh J. Tobler
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method and means for treating sludge
- Patent number 4,981,600
- Issue date Jan 1, 1991
- Cemen-Tech, Inc.
- Hugh J. Tobler
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method and apparatus for supplying ingredients to a concrete mixer
- Patent number 4,174,740
- Issue date Nov 20, 1979
- Hugh J. Tobler
- B28 - WORKING CEMENT, CLAY, OR STONE