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USPTO Patent Rankings Data through Sept 30, 2025
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Pierre A. Grapin — 1 Patent

Overall (All Time): #4,082,810 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4247996 Walking aid device Georges M. Grapin 1981-02-03