Patents by Inventor Joseph R. Branks

Joseph R. Branks 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: 3951555
    Abstract: A writing pen which comprises a vacuum controlled reservoir for containing a supply of ink having a lower viscosity than conventional ball pen ink, a writing tip which may be any one of a number of interchangeable types and a finned collector including a weir and feed which are arranged to induce capillary flow of the ink from the reservoir to the tip for writing purposes.
    Type: Grant
    Filed: April 14, 1975
    Date of Patent: April 20, 1976
    Assignee: The Parker Pen Company
    Inventors: Frederick R. Wittnebert, Francis J. Meinhardt, Joseph R. Branks, Gerald C. Herold, Daniel P. Stambaugh