Patents by Inventor Gerwin-Peter Muller

Gerwin-Peter Muller 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).

  • Case for writing instruments or the like
    Patent number: D330914
    Type: Grant
    Filed: October 18, 1990
    Date of Patent: November 10, 1992
    Assignee: J. S. Staedtler GmbH & Co.
    Inventor: Gerwin-Peter Muller