DJ

David Johnsen

NO Nordco: 1 patents #1 of 3Top 35%
📍 Milwaukee, WI: #24 of 124 inventorsTop 20%
🗺 Wisconsin: #541 of 2,194 inventorsTop 25%
Overall (1997): #163,097 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5671679 Fully automatic, multiple operation rail maintenance apparatus William D. Straub, Bruce M. Boczkiewicz 1997-09-30