DH

David B. Harder

DC Donaldson Company: 1 patents #19 of 75Top 30%
Caterpillar: 1 patents #101 of 431Top 25%
📍 Burnsville, MN: #22 of 55 inventorsTop 40%
🗺 Minnesota: #1,346 of 4,549 inventorsTop 30%
Overall (2002): #235,188 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6384369 Liquid filter construction and methods Eivind Stenersen, John R. Hacker, Gerald D. Kiral, Ronald W. Streitmatter, Kevin K. Socha 2002-05-07