CD

Craig Paul Doberstein

EI Engineering Innovations: 2 patents #1 of 12Top 9%
Overall (All Time): #2,114,731 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8065854 Roofing composition Courtney Van Roy Harris 2011-11-29
7743573 Roofing composition Courtney Van Roy Harris 2010-06-29