DD

David M. Dreffer

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Huron, OH: #49 of 85 inventorsTop 60%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #3,100,085 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8695485 Apparatus and method for preparing pressed coffee Julie D. Spitzley, Carole A. Dreffer 2014-04-15