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Roger Langlois

INIntertechnique: 1 patents #24 of 66Top 40%
Overall (All Time): #3,935,056 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4856507 Two main piloted valves demand regulator for aviators Rene Ouillon 1989-08-15

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