Patents Assigned to Foto-Quelle GmbH
  • Flash unit for a photographic camera
    Patent number: D243009
    Type: Grant
    Filed: December 8, 1975
    Date of Patent: January 11, 1977
    Assignee: Foto-Quelle GmbH
    Inventor: Hans-Ulrich Schade
  • Film projector
    Patent number: D255688
    Type: Grant
    Filed: July 20, 1977
    Date of Patent: July 1, 1980
    Assignee: Foto-Quelle GmbH
    Inventor: Hans-Ulrich Schade
  • Film projector
    Patent number: D267493
    Type: Grant
    Filed: September 12, 1979
    Date of Patent: January 4, 1983
    Assignee: Foto-Quelle GmbH
    Inventor: Hans-Ulrich Schade