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Steven J. Campbell

NA New Holland North America: 2 patents #10 of 54Top 20%
📍 New Holland, PA: #3 of 12 inventorsTop 25%
🗺 Pennsylvania: #640 of 5,512 inventorsTop 15%
Overall (2002): #41,098 of 266,432Top 20%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6481192 Steering tube for pivotally rotating a hay harvester gearbox Melanie W. Harkcom, Thomas L. Stiefvater, Edward J. Clement 2002-11-19
6360516 Two stage hydraulic tongue swing mechanism Melanie W. Harkcom, J. T. Clevenger, Jr., Thomas L. Stiefvater, Terry A. Young 2002-03-26