Patents by Inventor Jan L. Folkesson

Jan L. Folkesson 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).

  • Indicator devices and articles comprising the indicator device
    Patent number: 9615619
    Abstract: An indicator device comprising a first carrier material; a first pigment disposed in the first carrier material, the first pigment capable of being degraded by exposure to UV radiation; and wherein the first carrier material is configured so as to have a varying thickness such that upon exposure to UV radiation, a visible change in the pigment will occur which will result in a varying visible change over a first surface of the first carrier material.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: April 11, 2017
    Assignee: 3M Innovative Properties Company
    Inventor: Jan L. Folkesson
  • Headgear
    Patent number: D658333
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: April 24, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Jan L. Folkesson, Johan M. Sallander
  • Head harness
    Patent number: D668000
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: September 25, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Jan L. Folkesson, Johan M. Sallander
  • Headgear
    Patent number: D670036
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: October 30, 2012
    Assignee: 3M Innovative Properties Company
    Inventors: Jan L. Folkesson, Johan M. Sallander