David R. Long

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North Platte, NE, US

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Patents Grantslast 30 patents

Information Patent Grant
GPS controlled guidance system for farm tractor/implement combination
- Patent number 7,490,678
- Issue date Feb 17, 2009
- A.I.L., Inc.
- Marlin W. Unruh
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Implement for making angled water retention depressions and mounds
- Patent number 5,732,780
- Issue date Mar 31, 1998
- A.I.L. Inc.
- Lee F. Nikkel
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
GPS controlled guidance system for farm tractor/implement combination
- Publication number 20060237200
- Publication date Oct 26, 2006
- A.I.L., Inc.
- Marlin W. Unruh
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING