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Francis D. Berry

📍 Witham, CA: #9 of 11 inventorsTop 85%
Overall (All Time): #2,252,832 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5953102 Method for substantially objective testing of the visual capacity of a test subject — 1999-09-14
4726757 Moulding apparatus — 1988-02-23