DC

David A. Clemen

EC Excello Co.: 1 patents #92 of 216Top 45%
📍 Cedar Rapids, IA: #843 of 1,358 inventorsTop 65%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #4,072,987 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4340362 Fuel flow means for portable space heaters Clayton Wayne Chalupsky 1982-07-20