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Frederick R. Marken

Hornbrook, CA: #1 of 1 inventorsTop 100%
California: #13,043 of 60,394 inventorsTop 25%
Overall (2017): #153,387 of 506,227Top 35%
2 Patents 2017

Issued Patents 2017

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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