DS

David A. Sorenson

GR General Resource: 1 patents #2 of 10Top 20%
SM Sargent Manufacturing: 1 patents #77 of 125Top 65%
Overall (All Time): #2,177,660 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6860129 Security classroom function lock mechanism Darren C. Eller, Todd Zimmer 2005-03-01
4556173 Bin fluidizer Josef Pausch 1985-12-03