Patents by Inventor J. P. Vitrac

J. P. Vitrac 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).

  • Pen
    Patent number: D336491
    Type: Grant
    Filed: November 13, 1991
    Date of Patent: June 15, 1993
    Assignee: P.T. Merpati Mahkota Sarana
    Inventor: J. P. Vitrac