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USPTO Patent Rankings Data through Dec 31, 2025
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Robert Perrot — 1 Patent

Outreau, FR: #8 of 12 inventorsTop 70%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Robert Perrot has been granted 1 US patent. All of these patents were granted in 1980. Robert Perrot ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert Perrot in Outreau, FR.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4185773 Method of manufacturing 12 to 14% Mn steel components with weldable end pieces Pierre Blanc 1980-01-29