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John Schick

📍 San Francisco, CA: #18,903 of 26,999 inventorsTop 75%
🗺 California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #4,111,719 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4202626 Signature verification and authentication systems George Mayer 1980-05-13