Patents by Inventor Robert E. Holubar

Robert E. Holubar 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: D723450
    Type: Grant
    Filed: April 10, 2014
    Date of Patent: March 3, 2015
    Inventor: Robert E. Holubar
  • Patent number: D749978
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: February 23, 2016
    Inventor: Robert E. Holubar