DK

David Krahulec

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Manhattan, IL: #22 of 39 inventorsTop 60%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,343,607 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7633408 Portable traffic light John Yingst, Albert Voehringer 2009-12-15