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FM

Frederick R. Marken

Hornbrook, CA: #1 of 1 inventorsTop 100%
California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #1,974,050 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9739588 Book alignment device and method — 2017-08-22
D778695 Rotary tiller — 2017-02-14

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