Patents by Inventor David S. Grinnell

David S. Grinnell 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: 9192960
    Abstract: A coating apparatus and method of use wherein at least one capillary tube is in contact with a moving substrate during coating.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: November 24, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Chris J. Tanley, Timothy J. Edman, Gary W. Maier, David S. Grinnell
  • Publication number: 20140329019
    Abstract: A coating apparatus and method of use wherein at least one capillary tube is in contact with a moving substrate during coating.
    Type: Application
    Filed: December 13, 2012
    Publication date: November 6, 2014
    Inventors: Chris J. Tanley, Timothy J. Edman, Gary W. Maier, David S. Grinnell