DP

David Michael Ploense

GC Gs Roofing Products Company: 1 patents #1 of 4Top 25%
📍 Downers Grove, IL: #13 of 52 inventorsTop 25%
🗺 Illinois: #1,021 of 4,484 inventorsTop 25%
Overall (1994): #144,344 of 165,921Top 90%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5326797 Fire resistant roofing asphalt composition Harold M. Zimmerman, Robert Lilleston, Mario Butera 1994-07-05