DY

Donald H. Yahn

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Cedar Rapids, IA: #843 of 1,358 inventorsTop 65%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,954,678 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4754501 Protective headware for wrestlers — 1988-07-05