Patents Represented by Attorney Richard Wiener
  • Patent number: D254628
    Type: Grant
    Filed: January 28, 1977
    Date of Patent: April 1, 1980
    Assignee: Geberit AG
    Inventor: Ulrich Witzig
  • Patent number: D256517
    Type: Grant
    Filed: August 3, 1978
    Date of Patent: August 26, 1980
    Inventor: Georges P. J. Salomon