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Alain Dumont

JE Jeumont-Schneider: 1 patents #1 of 1Top 100%
Overall (1982): #77,172 of 81,411Top 95%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4310728 Ringing device for a private automatic branch exchange — 1982-01-12