Bob A. Waldner

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Emery, SD, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for breaking up clumps of granular material in a storage bin
- Patent number 9,855,561
- Issue date Jan 2, 2018
- Robert P. Stahl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Apparatus for breaking up clumps of granular material in a storage bin
- Patent number 8,920,100
- Issue date Dec 30, 2014
- Robert P. Stahl
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL