DC

David L. Cheremshynski

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Edmonton, CA: #922 of 2,912 inventorsTop 35%
Overall (All Time): #2,196,702 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6827103 Automatic eaves trough downspout Carlo D'Elia, Michael Clarence Claerhout 2004-12-07
5435051 Method of connecting a down spout extension to an eave trough down spout 1995-07-25