DU

David Usher

📍 Southfield, MI: #271 of 906 inventorsTop 30%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,535,961 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8864985 Oil decanting system — 2014-10-21
7597811 Method and apparatus for subsurface oil recovery using a submersible unit — 2009-10-06
4793275 Marine hazardous off-loading system — 1988-12-27