Mark D. Mathis

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Roland, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Unloading system for particulate materials bins
- Patent number 6,330,767
- Issue date Dec 18, 2001
- Gary W. Clem, Inc.
- Brian W. Carr
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and means for harvesting and packaging seeds
- Patent number 5,664,402
- Issue date Sep 9, 1997
- Gary W. Clem, Inc.
- Arlan W. Sandvik
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING