DB

David C. Behr

3M: 1 patents #7,233 of 11,543Top 65%
Overall (All Time): #3,892,262 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5074451 Plastic tape guide for videocassette Dale T. Tollefson, Bruce L. Nelson 1991-12-24