James W. Halford

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Indian Head, Saskatchewan, CA

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Patents Grantslast 30 patents

Information Patent Grant
Ground working implement including a shank and a tip
- Patent number 5,947,209
- Issue date Sep 7, 1999
- Christopher J. Halford
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Straw spreader for a combine harvester and method of spreading
- Patent number 5,021,030
- Issue date Jun 4, 1991
- Halford; James
- James Halford
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Seed/fertilizer minimum tillage planter
- Patent number 4,762,075
- Issue date Aug 9, 1988
- James W. Halford
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING