HK

Henri Kraess

LC La Telephonie Industrielle Et Commerciale: 1 patents #2 of 9Top 25%
Overall (All Time): #1,310,325 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4217503 Current limiter Philippe Hugel, Remi Louis, Louis Vidonne 1980-08-12
4195275 Multiple electromagnetic relay Paul Bloch 1980-03-25
4190743 Thyristor switching matrix Philippe Hugel, Remi Louis, Louis Vidonne 1980-02-26
4185174 Method and apparatus for checking connection paths in a telephone exchange Desire Beyhurst, Jean-Jacques Bronner, Jean-Claude Fuhrer 1980-01-22