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Howard W. F. Derksen

📍 Saskatoon, CA: #329 of 909 inventorsTop 40%
Overall (All Time): #2,285,195 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5396816 Single powered dual movement motion device Roger L. Patterson 1995-03-14
5271707 Aerial lift platform Roger L. Patterson 1993-12-21