RK

Robert Kroupa

📍 Chicago, IL: #477 of 1,478 inventorsTop 35%
🗺 Illinois: #2,824 of 8,424 inventorsTop 35%
Overall (2017): #263,057 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9788640 Attachable extendable and retractable earpiece and protective casing assembly for mobile communication and sound devices 2017-10-17