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Darrell C. Spencer

📍 Riverview, CA: #11 of 18 inventorsTop 65%
Overall (All Time): #4,062,923 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4422934 Magnetic device for the treatment of calcareous fluids Howard A. Debney 1983-12-27