Michael K. Harrod

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Bag opening and emptying apparatus
- Patent number 4,278,383
- Issue date Jul 14, 1981
- Whirl-Air-Flow Corporation
- Edward E. Mueller
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Bag opening and emptying apparatus
- Patent number 4,274,787
- Issue date Jun 23, 1981
- Whirl-Air-Flow Corporation
- Edward E. Mueller
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method and apparatus for reclaiming sand
- Patent number 4,050,635
- Issue date Sep 27, 1977
- Whirl-Air-Flow Corporation
- Edward E. Mueller
- B22 - CASTING POWDER METALLURGY