ED

Elmer W. Demo

📍 Roanoke, IN: #24 of 47 inventorsTop 55%
🗺 Indiana: #19,404 of 33,936 inventorsTop 60%
Overall (All Time): #3,979,036 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4682443 Removable self-contained flood protection device and method of installation — 1987-07-28