Robert D. Kolk

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Holland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical seedling transplanter
- Patent number 5,823,126
- Issue date Oct 20, 1998
- Mechanical Transplanter Company
- Howard Kolk
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Planting machine with ground-conditioning drive
- Patent number 4,742,785
- Issue date May 10, 1988
- Howard A. Kolk
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Machine for forming wire arches, and installing the ends of the arc...
- Patent number 4,658,538
- Issue date Apr 21, 1987
- Mechanical Transplanter
- Howard A. Kolk
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING