HD

Herman Dykstra

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #1,300,234 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5035285 Gravel packing system for a production radial tube Ben Wade Oakes Dickinson, III, Randall R. Anderson, Robert Wayne Dickinson, Eric W. Dickinson 1991-07-30
4974672 Gravel packing system for a production radial tube Ben Wade Oakes Dickinson, III, Randall R. Anderson, Robert Wayne Dickinson, Eric W. Dickinson 1990-12-04
4865128 Gravel packing system for a production radial tube Ben Wade Oakes Dickinson, III, Randall R. Anderson, Robert Wayne Dickinson, Eric W. Dickinson 1989-09-12
4750561 Gravel packing system for a production radial tube Ben Wade Oakes Dickinson, III, Randall R. Anderson, Robert Wayne Dickinson, Eric W. Dickinson 1988-06-14