Patents by Inventor Derek G. Gustafson

Derek G. Gustafson 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 device having a multi-position switch assembly
    Patent number: 7281815
    Abstract: A switch assembly that may be utilized as a tail cap of a lighting device. The switch assembly including at least a depressible switch with a rotatable portion that allows the user to activate distinct functional modes of the lighting device. In an illustrative, non-limiting embodiment, the switch assembly has four channels, providing for at least three different light functions and a locking channel. The different channels are defined by the axial position of the rotatable portion relative to the lighting device body.
    Type: Grant
    Filed: October 19, 2005
    Date of Patent: October 16, 2007
    Assignee: Blackhawk Industries Product Group Unlimited LLC
    Inventors: Derek G. Gustafson, Michael R. Githens, Ken J. Good, Vaughn D. Baker, Eric M. Yeates
  • Flashlight
    Patent number: D541963
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: May 1, 2007
    Assignee: Blackhawk Industries Product Group Unlimited LLC
    Inventors: Derek G. Gustafson, Matt M. McCune, Eric M. Yeates
  • Flashlight
    Patent number: D549860
    Type: Grant
    Filed: October 19, 2005
    Date of Patent: August 28, 2007
    Assignee: Blackhawk Industries Product Group Unlimited LLC
    Inventors: Derek G. Gustafson, Eric M. Yeates