Donald E. McGrath

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Benson, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of fertilizer application
- Patent number 5,850,620
- Issue date Dec 15, 1998
- Iboco, Inc.
- Andrey V. Skotnikov
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
System for determining fertilizer blend and application rate method...
- Patent number 5,768,128
- Issue date Jun 16, 1998
- Iboco, Inc.
- Wayne Thompson
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Method of fertilizer application and field treatment
- Patent number 5,668,719
- Issue date Sep 16, 1997
- Tyler Limited Partnership
- Vladimer A. Bobrov
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING