DM

David D. Madsen

3M: 2 patents #84 of 952Top 9%
📍 Lakeland, MN: #1 of 6 inventorsTop 20%
🗺 Minnesota: #240 of 2,841 inventorsTop 9%
Overall (1994): #35,942 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5358193 Tape guide for a data cartridge David P. Smith, Robert A. von Behren 1994-10-25
5289988 Data cartridge with secondary tape guides 1994-03-01