Patents by Inventor Pierre Bertrac

Pierre Bertrac 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).

  • Patent number: D273017
    Type: Grant
    Filed: July 15, 1980
    Date of Patent: March 13, 1984
    Assignee: Parker Pen France
    Inventor: Pierre Bertrac