Patents by Inventor Colin M. Gravning

Colin M. Gravning 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).

  • Lighting fixture
    Patent number: D654207
    Type: Grant
    Filed: September 10, 2010
    Date of Patent: February 14, 2012
    Assignee: Electronic Theatre Controls, Inc.
    Inventors: Robert Kenneth Yasuji Fletcher, Colin M. Gravning, Joseph R. Bokelman, Thomas A. Littrell
  • Lighting unit
    Patent number: D729429
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: May 12, 2015
    Assignee: Oldenburg Group Incorporated
    Inventors: Michael Allan Arndt, Colin M. Gravning, Christopher M. Glandt
  • Luminaire
    Patent number: D822888
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: July 10, 2018
    Assignee: Oldenburg Group Incorporated
    Inventors: Michael Allan Arndt, Jay Michael Eissner, Colin M. Gravning