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Frances M. Barker

📍 Clearwater, FL: #473 of 932 inventorsTop 55%
🗺 Florida: #33,682 of 67,251 inventorsTop 55%
Overall (All Time): #4,141,312 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10435949 Collapsible stepladder Carl Christianson 2019-10-08