RS

Roelof J. Siepel

📍 Earlham, IA: #3 of 13 inventorsTop 25%
🗺 Iowa: #4,661 of 15,303 inventorsTop 35%
Overall (All Time): #1,459,440 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10844617 Support brace for window frames in poured concrete walls Ahmad Ahmad 2020-11-24
D674269 Isolator — 2013-01-15
8250815 Window well cover — 2012-08-28