Patents by Inventor Alfred Wloch

Alfred Wloch has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Telephone handset
    Patent number: D242928
    Type: Grant
    Filed: February 7, 1975
    Date of Patent: January 4, 1977
    Assignee: Deutsche Telephonwerke und Kabelindustrie Aktiengesellschaft
    Inventors: Karl Buchin, Werner Grosse, Wolfgang Klein, Alfred Wloch
  • Telephone instrument
    Patent number: D243961
    Type: Grant
    Filed: February 7, 1975
    Date of Patent: April 5, 1977
    Assignee: Deutsche Telephonwerke und Kabelindustrie Aktiengesellschaft
    Inventors: Karl Buchin, Werner Grosse, Wolfgang Klein, Alfred Wloch, Manfred Seide