Robert L. VAN Huis

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Zeeland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Poultry cage system with poultry removal
- Patent number 4,112,872
- Issue date Sep 12, 1978
- U.S. Industries, Inc.
- Robert L. VAN Huis
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Poultry cage system with controlled feeder
- Patent number 4,059,071
- Issue date Nov 22, 1977
- U.S. Industries, Inc.
- Robert L. Van Huis
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Animal enclosure with pressure controlled ventilation inlet and def...
- Patent number 4,043,256
- Issue date Aug 23, 1977
- U.S. Industries, Inc.
- Robert L. Van Huis
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Poultry cage system with poultry removal
- Patent number 4,008,690
- Issue date Feb 22, 1977
- U.S. Industries, Inc.
- Robert L. VAN Huis
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Cooling system for poultry houses
- Patent number 3,965,691
- Issue date Jun 29, 1976
- U.S. Industries, Inc.
- Robert L. Van Huis
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Animal enclosure with pressure controlled ventilation inlet and def...
- Patent number 3,938,428
- Issue date Feb 17, 1976
- U.S. Industries, Inc.
- Robert L. Van Huis
- F24 - HEATING RANGES VENTILATING