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Patrick Vongphoutone

📍 Jossigny, FR: #2 of 2 inventorsTop 100%
Overall (2025): #256,465 of 469,880Top 55%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12286586 Hydrocarbon swelling particles for wellbore cementing Juergen Heidlas, Bertrand Guichard, Douglas J. Harrison, AJ Marino 2025-04-29