ER

Elizabeth Riley

The Dow Chemical: 3 patents #1,092 of 4,115Top 30%
📍 Newark, OH: #155 of 391 inventorsTop 40%
🗺 Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,673,356 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4747247 Roof system Wayne E. Petersen, Gordon P. Petrash, David L. Roodvoets 1988-05-31
4712349 Protected membrane roof system for high traffic roof areas Wayne E. Petersen 1987-12-15
4658554 Protected membrane roof system for high traffic roof areas Wayne E. Petersen 1987-04-21