Roelof H. deVries

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Dalton, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
SOD harvester
- Patent number 7,195,077
- Issue date Mar 27, 2007
- Brouwer Turf, Inc.
- Roelof H. Devries
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Sod harvester
- Patent number 6,571,883
- Issue date Jun 3, 2003
- Steiner Turf Equipment, Inc.
- Roelof H. deVries
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Cutter assembly positioning mechanism and control for riding lawn m...
- Patent number 6,347,502
- Issue date Feb 19, 2002
- Textron Inc.
- Roelof H. deVries
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Method of harvesting sod
- Patent number 6,223,830
- Issue date May 1, 2001
- Steiner Turf Equipment, Inc.
- Roelof H. deVries
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Method of harvesting sod
- Patent number 6,056,064
- Issue date May 2, 2000
- Steiner Turf Equipment, Inc.
- Roelof H. deVries
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Sod harvester with pivotable roll-forming unit
- Patent number 5,775,436
- Issue date Jul 7, 1998
- Steiner Turf Equipment, Inc.
- Thomas E. Noyes
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING

Patents Applicationslast 30 patents

Information Patent Application
Sod harvester
- Publication number 20040238188
- Publication date Dec 2, 2004
- Roelof H. deVries
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Sod harvester
- Publication number 20020179308
- Publication date Dec 5, 2002
- Roelof H. deVries
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC