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Michael J. Biffignani

📍 Chesterfield, MO: #3,708 of 6,461 inventorsTop 60%
🗺 Missouri: #13,067 of 23,789 inventorsTop 55%
Overall (All Time): #2,798,995 of 4,157,543Top 70%
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Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10690771 Method and apparatus for object detection using human echolocation for the visually impaired Robert G. Stretch, Tim Chen 2020-06-23