DR

Douglas Rozendaal

📍 Pocahontas, IA: #20 of 43 inventorsTop 50%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,070,886 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9135896 Pedal-operated stringed musical instrument actuator apparatus 2015-09-15