Patents by Inventor Cristine Lange

Cristine Lange 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).

  • Hearing aid earring
    Patent number: D370866
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: June 18, 1996
    Assignee: Gebr. Niessing GmbH
    Inventor: Cristine Lange
  • Combined hearing aid and earring
    Patent number: D372312
    Type: Grant
    Filed: January 17, 1995
    Date of Patent: July 30, 1996
    Assignee: Gebr. Niessing GmbH & Co.
    Inventor: Cristine Lange