Donald R. Garthus

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Crete, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for mixing pulverulent material on a conveyor belt
- Patent number 4,591,275
- Issue date May 27, 1986
- Interlake, Inc.
- Donald R. Garthus
- B28 - WORKING CEMENT, CLAY, OR STONE