RF

Roger A. Feutz

📍 Grand Rapids, MI: #1,022 of 1,824 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #4,096,269 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4288111 Joint construction for sheet metal ducts — 1981-09-08