DR

David O. Richards

WO Woodward: 1 patents #128 of 238Top 55%
📍 Wigton, CO: #1 of 1 inventorsTop 100%
Overall (All Time): #1,441,577 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11174809 Controlling an internal combustion engine system Yi Han, Jason Barta, Michael Ryan Buehner, Gregory James Hampson 2021-11-16
4358370 Backwashable filter Dennis E. Jameson 1982-11-09
4358371 Backwashable filter Dennis E. Jameson 1982-11-09