Edwin A. Erickson

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Milnor, ND, US

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Patents Grantslast 30 patents

Information Patent Grant
Spring loaded feeding device
- Patent number 10,550,544
- Issue date Feb 4, 2020
- Edwin A. Erickson
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Spring loaded feeding device
- Patent number 10,544,563
- Issue date Jan 28, 2020
- Edwin A. Erickson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Feeding device for a ditch digging and cleaning system
- Patent number 6,418,647
- Issue date Jul 16, 2002
- Edwin A. Erickson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Ditch digging and cleaning system having dual dispersing members
- Patent number 6,341,435
- Issue date Jan 29, 2002
- Edwin A. Erickson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Rotating disk type ditcher system
- Patent number 6,226,903
- Issue date May 8, 2001
- Edwin A. Erickson
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING