HS

Heidrun Schmitzer

DA Deutsche Telekom Ag: 2 patents #1 of 29Top 4%
📍 Regensburg, OH: #1 of 2 inventorsTop 50%
Overall (2004): #28,494 of 270,089Top 15%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6813424 Optical communications link Wolfgang Dultz, Gisela Dultz, Erna Frins 2004-11-02
6748081 Quantum cryptography system for a secure transmission of random keys using a polarization setting method Wolfgang Dultz, Leonid A. Beresnev, Eric Hildebrandt 2004-06-08
6727491 Sensor and method for detecting changes in distance Wolfgang Dultz, Gisela Dultz, Erna Frins 2004-04-27