RB

Ryan L. Bolkema

📍 Hull, IA: #6 of 17 inventorsTop 40%
🗺 Iowa: #6,094 of 15,303 inventorsTop 40%
Overall (All Time): #2,062,424 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8904917 Fluid power helical rotary actuator Darin Rosenboom, Daniel Jon Van Regenmorter 2014-12-09
7213504 Hydraulic actuator Darin Rosenboom, Brian D. Rosenboom 2007-05-08